Update to trunk and some fixes

(bzr r14865.1.14)

92 files changed, 600 insertions, 1088 deletions

diff --git a/src/extension/Makefile_insert b/src/extension/Makefile_insert
deleted file mode 100644
index fb9713904..000000000
--- a/src/extension/Makefile_insert
+++ /dev/null
@@ -1,54 +0,0 @@
-## Makefile.am fragment sourced by src/Makefile.am.
-
-ink_common_sources +=	\
-    extension/extension.cpp	\
-    extension/extension.h	\
-    extension/db.cpp	\
-    extension/db.h	\
-    extension/dependency.cpp \
-    extension/dependency.h \
-    extension/error-file.cpp \
-    extension/error-file.h \
-    extension/execution-env.cpp \
-    extension/execution-env.h \
-    extension/init.cpp	\
-    extension/init.h	\
-	extension/loader.h \
-	extension/loader.cpp \
-    extension/param/parameter.h \
-    extension/param/parameter.cpp \
-    extension/param/notebook.h \
-    extension/param/notebook.cpp \
-    extension/param/bool.h \
-    extension/param/bool.cpp \
-    extension/param/color.h \
-    extension/param/color.cpp \
-    extension/param/description.h \
-    extension/param/description.cpp \
-    extension/param/enum.h \
-    extension/param/enum.cpp \
-    extension/param/float.h \
-    extension/param/float.cpp \
-    extension/param/int.h \
-    extension/param/int.cpp \
-    extension/param/radiobutton.h \
-    extension/param/radiobutton.cpp \
-    extension/param/string.h \
-    extension/param/string.cpp \
-    extension/prefdialog.cpp \
-    extension/prefdialog.h \
-    extension/system.cpp	\
-    extension/system.h \
-    extension/timer.cpp \
-    extension/timer.h \
-    extension/input.h \
-    extension/input.cpp \
-    extension/output.h \
-    extension/output.cpp \
-    extension/effect.h \
-    extension/effect.cpp \
-    extension/patheffect.h \
-    extension/patheffect.cpp \
-    extension/print.h \
-    extension/print.cpp
-
diff --git a/src/extension/db.cpp b/src/extension/db.cpp
index a3c54915d..f17b784a9 100644
--- a/src/extension/db.cpp
+++ b/src/extension/db.cpp
@@ -13,7 +13,7 @@
  */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 #include "db.h"
 #include "input.h"
diff --git a/src/extension/dbus/Makefile_insert b/src/extension/dbus/Makefile_insert
deleted file mode 100644
index 192651d87..000000000
--- a/src/extension/dbus/Makefile_insert
+++ /dev/null
@@ -1,111 +0,0 @@
-## Makefile.am fragment sourced by src/Makefile.am.
-
-if WITH_DBUS
-
-#############################
-# Sources for DBus interface
-#############################
-
-ink_common_sources +=	\
-	extension/dbus/dbus-init.cpp  \
-	extension/dbus/dbus-init.h  \
-	extension/dbus/application-interface.cpp  \
-	extension/dbus/application-interface.h  \
-	extension/dbus/document-interface.cpp  \
-	extension/dbus/document-interface.h  \
-	extension/dbus/org.inkscape.service.in
-
-###########################
-# Build DBus wrapper files
-###########################
-
-extension/dbus/application-server-glue.h: extension/dbus/application-interface.xml
-	dbus-binding-tool --mode=glib-server --output=$@ --prefix=application_interface $^
-
-extension/dbus/document-server-glue.h: extension/dbus/document-interface.xml
-	dbus-binding-tool --mode=glib-server --output=$@ --prefix=document_interface $^
-
-extension/dbus/document-client-glue.h: extension/dbus/document-interface.xml
-	dbus-binding-tool --mode=glib-client --output=$@ --prefix=document_interface $^
-
-BUILT_SOURCES += \
-	extension/dbus/application-server-glue.h   \
-	extension/dbus/document-server-glue.h   \
-	extension/dbus/document-client-glue.h
-
-###########################
-# Distribut DBus interface
-###########################
-
-EXTRA_DIST += \
-	extension/dbus/application-interface.xml \
-	extension/dbus/document-interface.xml
-
-###########################
-# DBus Activation Service
-###########################
-
-# Dbus service file
-servicedir = $(DBUSSERVICEDIR)
-service_in_files = extension/dbus/org.inkscape.service.in
-service_DATA = $(service_in_files:.service.in=.service)
-
-# Rule to make the service file with bindir expanded
-$(service_DATA): $(service_in_files) Makefile
-	@sed -e "s|bindir|$(prefix)|" $<> $@
-
-############################
-# DBus Interface Helper Lib
-############################
-
-lib_LTLIBRARIES = \
-	libinkdbus.la
-
-libinkdbusincludedir = $(includedir)/libinkdbus-0.48/libinkdbus
-libinkdbusinclude_HEADERS = \
-	extension/dbus/wrapper/inkscape-dbus-wrapper.h
-
-libinkdbus_la_SOURCES = \
-	extension/dbus/wrapper/inkscape-dbus-wrapper.h \
-	extension/dbus/wrapper/inkscape-dbus-wrapper.c
-
-libinkdbus_la_LDFLAGS = \
-	-version-info 0:0:0 \
-	-no-undefined \
-	-export-symbols-regex "^[^_d].*"
-
-libinkdbus_la_CFLAGS = \
-	$(DBUS_CFLAGS) \
-	$(INKSCAPE_CFLAGS) \
-	-I$(builddir)/extension/dbus \
-	-Wall
-
-libinkdbus_la_LIBADD = \
-	$(DBUS_LIBS) \
-	$(INKSCAPE_LIBS)
-
-############################
-# DBus Pkgconfig file
-############################
-
-pkgconfig_DATA = extension/dbus/wrapper/inkdbus.pc
-pkgconfigdir = $(libdir)/pkgconfig
-
-else # WITH_DBUS
-
-EXTRA_DIST += \
-	extension/dbus/dbus-init.cpp  \
-	extension/dbus/dbus-init.h  \
-	extension/dbus/application-interface.cpp  \
-	extension/dbus/application-interface.h  \
-	extension/dbus/document-interface.cpp  \
-	extension/dbus/document-interface.h \
-	extension/dbus/wrapper/inkscape-dbus-wrapper.h \
-	extension/dbus/wrapper/inkscape-dbus-wrapper.c \
-	extension/dbus/wrapper/inkdbus.pc \
-	extension/dbus/org.inkscape.service.in \
-	extension/dbus/application-interface.xml \
-	extension/dbus/document-interface.xml
-
-endif
-
diff --git a/src/extension/dbus/document-interface.cpp b/src/extension/dbus/document-interface.cpp
index d0a2e81aa..667830997 100644
--- a/src/extension/dbus/document-interface.cpp
+++ b/src/extension/dbus/document-interface.cpp
@@ -189,7 +189,7 @@ selection_get_center_y (Inkscape::Selection *sel){
 std::vector<SPObject*>
 selection_swap(Inkscape::Selection *sel, gchar *name, GError **error)
 {
-    std::vector<SPObject*> oldsel = sel->list();
+    std::vector<SPObject*> oldsel = std::vector<SPObject*>(sel->objects().begin(), sel->objects().end());
     
     sel->set(get_object_by_name(sel->layers()->getDocument(), name, error));
     return oldsel;
@@ -405,7 +405,7 @@ document_interface_polygon (DocumentInterface *doc_interface, int cx, int cy,
                             int radius, int rotation, int sides, 
                             GError **error)
 {
-    gdouble rot = ((rotation / 180.0) * 3.14159265) - ( 3.14159265 / 2.0);
+    gdouble rot = ((rotation / 180.0) * M_PI) - M_PI_2;
     Inkscape::XML::Node *newNode = dbus_create_node(doc_interface->target.getDocument(), "svg:path");
     newNode->setAttribute("inkscape:flatsided", "true");
     newNode->setAttribute("sodipodi:type", "star");
@@ -1087,14 +1087,14 @@ void document_interface_update(DocumentInterface *doc_interface, GError ** error
 gboolean document_interface_selection_get(DocumentInterface *doc_interface, char ***out, GError ** /*error*/)
 {
     Inkscape::Selection * sel = doc_interface->target.getSelection();
-    std::vector<SPObject*> oldsel = sel->list();
+    auto oldsel = sel->objects();
 
     int size = oldsel.size();
 
     *out = g_new0 (char *, size + 1);
 
     int i = 0;
-    for (std::vector<SPObject*>::iterator iter = oldsel.begin(), e = oldsel.end(); iter != e; ++iter) {
+    for (auto iter = oldsel.begin(); iter != oldsel.end(); ++iter) {
         (*out)[i] = g_strdup((*iter)->getId());
         i++;
     }
@@ -1252,7 +1252,7 @@ gboolean document_interface_selection_move_to(DocumentInterface *doc_interface,
     Geom::OptRect sel_bbox = sel->visualBounds();
     if (sel_bbox) {
         Geom::Point m( x - selection_get_center_x(sel) , 0 - (y - selection_get_center_y(sel)) );
-        sp_selection_move_relative(sel, m, true);
+        sp_object_set_move_relative(sel, m, true);
     }
     return TRUE;
 }
diff --git a/src/extension/dependency.cpp b/src/extension/dependency.cpp
index 624be12f9..837520381 100644
--- a/src/extension/dependency.cpp
+++ b/src/extension/dependency.cpp
@@ -9,14 +9,12 @@
  */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
 #include <glibmm/i18n.h>
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
-#include "config.h"
-#include "path-prefix.h"
 #include "dependency.h"
 #include "db.h"
 #include "extension.h"
diff --git a/src/extension/effect.cpp b/src/extension/effect.cpp
index e7299ba51..ef254f623 100644
--- a/src/extension/effect.cpp
+++ b/src/extension/effect.cpp
@@ -13,7 +13,6 @@
 #include "helper/action.h"
 #include "ui/view/view.h"
 
-#include "selection.h"
 #include "sp-namedview.h"
 #include "desktop.h"
 #include "implementation/implementation.h"
diff --git a/src/extension/error-file.cpp b/src/extension/error-file.cpp
index db354c0ce..342511ec9 100644
--- a/src/extension/error-file.cpp
+++ b/src/extension/error-file.cpp
@@ -9,7 +9,7 @@
 
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
 #include "ui/dialog/extensions.h"
@@ -56,11 +56,7 @@ ErrorFileNotice::ErrorFileNotice (void) :
     g_free(ext_error_file);
     set_message(dialog_text, true);
 
-#if WITH_GTKMM_3_0
-    Gtk::Box * vbox = get_content_area();
-#else
-    Gtk::Box * vbox = get_vbox();
-#endif
+    auto vbox = get_content_area();
 
     /* This is some filler text, needs to change before relase */
     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
diff --git a/src/extension/execution-env.cpp b/src/extension/execution-env.cpp
index d5c80f26e..624813863 100644
--- a/src/extension/execution-env.cpp
+++ b/src/extension/execution-env.cpp
@@ -8,10 +8,8 @@
  * Released under GNU GPL, read the file 'COPYING' for more information
  */
 
-#include <config.h>
-
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 
 #include "gtkmm/messagedialog.h"
@@ -25,7 +23,6 @@
 #include "document.h"
 #include "document-undo.h"
 #include "desktop.h"
-#include "ui/view/view.h"
 #include "sp-namedview.h"
 
 #include "display/sp-canvas.h"
@@ -58,8 +55,8 @@ ExecutionEnv::ExecutionEnv (Effect * effect, Inkscape::UI::View::View * doc, Imp
     sp_namedview_document_from_window(desktop);
 
     if (desktop != NULL) {
-    	std::vector<SPItem*> selected = desktop->getSelection()->itemList();
-        for(std::vector<SPItem*>::const_iterator x = selected.begin(); x != selected.end(); ++x){
+        auto selected = desktop->getSelection()->items();
+        for(auto x = selected.begin(); x != selected.end(); ++x){
             Glib::ustring selected_id;
             selected_id = (*x)->getId();
             _selected.insert(_selected.end(), selected_id);
diff --git a/src/extension/extension.cpp b/src/extension/extension.cpp
index 6f7539360..c6dee1b70 100644
--- a/src/extension/extension.cpp
+++ b/src/extension/extension.cpp
@@ -16,18 +16,13 @@
  */
 
 #ifdef HAVE_CONFIG_H
-# include "config.h"
+#include <config.h>
 #endif
 
 #include <gtkmm/box.h>
 #include <gtkmm/label.h>
 #include <gtkmm/frame.h>
-
-#if WITH_GTKMM_3_0
-# include <gtkmm/grid.h>
-#else
-# include <gtkmm/table.h>
-#endif
+#include <gtkmm/grid.h>
 
 #include <glibmm/i18n.h>
 #include "inkscape.h"
@@ -766,11 +761,7 @@ Extension::get_info_widget(void)
     Gtk::Frame * info = Gtk::manage(new Gtk::Frame("General Extension Information"));
     retval->pack_start(*info, true, true, 5);
 
-#if WITH_GTKMM_3_0
-    Gtk::Grid * table = Gtk::manage(new Gtk::Grid());
-#else
-    Gtk::Table * table = Gtk::manage(new Gtk::Table());
-#endif
+    auto table = Gtk::manage(new Gtk::Grid());
 
     info->add(*table);
 
@@ -784,11 +775,7 @@ Extension::get_info_widget(void)
     return retval;
 }
 
-#if WITH_GTKMM_3_0
 void Extension::add_val(Glib::ustring labelstr, Glib::ustring valuestr, Gtk::Grid * table, int * row)
-#else
-void Extension::add_val(Glib::ustring labelstr, Glib::ustring valuestr, Gtk::Table * table, int * row)
-#endif
 {
     Gtk::Label * label;
     Gtk::Label * value;
@@ -797,13 +784,8 @@ void Extension::add_val(Glib::ustring labelstr, Glib::ustring valuestr, Gtk::Tab
     label = Gtk::manage(new Gtk::Label(labelstr));
     value = Gtk::manage(new Gtk::Label(valuestr));
 
-#if WITH_GTKMM_3_0
     table->attach(*label, 0, (*row) - 1, 1, 1);
     table->attach(*value, 1, (*row) - 1, 1, 1);
-#else
-    table->attach(*label, 0, 1, (*row) - 1, *row);
-    table->attach(*value, 1, 2, (*row) - 1, *row);
-#endif
 
     label->show();
     value->show();
diff --git a/src/extension/extension.h b/src/extension/extension.h
index 1fb8bdfec..cd29e1636 100644
--- a/src/extension/extension.h
+++ b/src/extension/extension.h
@@ -22,12 +22,7 @@
 #include <sigc++/signal.h>
 
 namespace Gtk {
-#if WITH_GTKMM_3_0
 	class Grid;
-#else
-	class Table;
-#endif
-
 	class VBox;
 	class Widget;
 }
@@ -300,11 +295,7 @@ public:
     Gtk::VBox *    get_help_widget(void);
     Gtk::VBox *    get_params_widget(void);
 protected:
-#if WITH_GTKMM_3_0
     inline static void add_val(Glib::ustring labelstr, Glib::ustring valuestr, Gtk::Grid * table, int * row);
-#else
-    inline static void add_val(Glib::ustring labelstr, Glib::ustring valuestr, Gtk::Table * table, int * row);
-#endif
 };
 
 
diff --git a/src/extension/implementation/Makefile_insert b/src/extension/implementation/Makefile_insert
deleted file mode 100644
index 1b9080f1a..000000000
--- a/src/extension/implementation/Makefile_insert
+++ /dev/null
@@ -1,9 +0,0 @@
-## Makefile.am fragment sourced by src/Makefile.am.
-
-ink_common_sources +=	\
-	extension/implementation/implementation.cpp	\
-	extension/implementation/implementation.h \
-	extension/implementation/script.cpp	\
-	extension/implementation/script.h \
-	extension/implementation/xslt.cpp \
-	extension/implementation/xslt.h
diff --git a/src/extension/implementation/implementation.cpp b/src/extension/implementation/implementation.cpp
index 92a8a2833..6e6100d2b 100644
--- a/src/extension/implementation/implementation.cpp
+++ b/src/extension/implementation/implementation.cpp
@@ -11,7 +11,7 @@
 */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 #include "implementation.h"
 
@@ -22,7 +22,6 @@
 #include "selection.h"
 #include "desktop.h"
 
-#include "ui/view/view.h"
 
 namespace Inkscape {
 namespace Extension {
@@ -46,10 +45,10 @@ Gtk::Widget *Implementation::prefs_effect(Inkscape::Extension::Effect *module, I
 
     SPDocument * current_document = view->doc();
 
-    std::vector<SPItem*> selected = ((SPDesktop *)view)->getSelection()->itemList();
+    auto selected = ((SPDesktop *) view)->getSelection()->items();
     Inkscape::XML::Node const* first_select = NULL;
     if (!selected.empty()) {
-        const SPItem * item = selected[0];
+        const SPItem * item = selected.front();
         first_select = item->getRepr();
     }
 
diff --git a/src/extension/implementation/script.cpp b/src/extension/implementation/script.cpp
index 9aaf4b952..d2319c2e0 100644
--- a/src/extension/implementation/script.cpp
+++ b/src/extension/implementation/script.cpp
@@ -689,9 +689,9 @@ void Script::effect(Inkscape::Extension::Effect *module,
         return;
     }
 
-    std::vector<SPItem*> selected =
-        desktop->getSelection()->itemList(); //desktop should not be NULL since doc was checked and desktop is a casted pointer
-    for(std::vector<SPItem*>::const_iterator x = selected.begin(); x != selected.end(); ++x){
+    auto selected =
+            desktop->getSelection()->items(); //desktop should not be NULL since doc was checked and desktop is a casted pointer
+    for(auto x = selected.begin(); x != selected.end(); ++x){
         Glib::ustring selected_id;
         selected_id += "--id=";
         selected_id += (*x)->getId();
@@ -808,15 +808,17 @@ void Script::effect(Inkscape::Extension::Effect *module,
     \param  oldroot  The root node of the old (destination) document.
     \param  newroot  The root node of the new (source) document.
 
-    This function first deletes all the elements in the old document by
+    This function first deletes all the root attributes in the old document followed
+    by copying all the root attributes from the new document to the old document.
+
+    It then deletes all the elements in the old document by
     making two pass, the first to create a list of the old elements and
     the second to actually delete them. This two pass approach removes issues
     with the list being change while parsing through it... lots of nasty bugs.
 
     Then, it copies all the element in the new document into the old document.
 
-    Finally, it replaces the attributes in the root element of the old document
-    by the attributes in root of the new document.
+    Finally, it copies the attributes in namedview.
 */
 void Script::copy_doc (Inkscape::XML::Node * oldroot, Inkscape::XML::Node * newroot)
 {
@@ -829,6 +831,28 @@ void Script::copy_doc (Inkscape::XML::Node * oldroot, Inkscape::XML::Node * newr
     // For copying attributes in root and in namedview
     using Inkscape::Util::List;
     using Inkscape::XML::AttributeRecord;
+    std::vector<gchar const *> attribs;
+
+    // Must explicitly copy root attributes. This must be done first since
+    // copying grid lines calls "SPGuide::set()" which needs to know the
+    // width, height, and viewBox of the root element.
+
+    // Make a list of all attributes of the old root node.
+    for (List<AttributeRecord const> iter = oldroot->attributeList(); iter; ++iter) {
+        attribs.push_back(g_quark_to_string(iter->key));
+    }
+
+    // Delete the attributes of the old root node.
+    for (std::vector<gchar const *>::const_iterator it = attribs.begin(); it != attribs.end(); ++it) {
+        oldroot->setAttribute(*it, NULL);
+    }
+
+    // Set the new attributes.
+    for (List<AttributeRecord const> iter = newroot->attributeList(); iter; ++iter) {
+        gchar const *name = g_quark_to_string(iter->key);
+        oldroot->setAttribute(name, newroot->attribute(name));
+    }
+
 
     // Question: Why is the "sodipodi:namedview" special? Treating it as a normal
     // elmement results in crashes.
@@ -882,30 +906,9 @@ void Script::copy_doc (Inkscape::XML::Node * oldroot, Inkscape::XML::Node * newr
         }
     }
 
-    std::vector<gchar const *> attribs;
-
-    // Must explicitly copy root attributes.
-
-    // Make a list of all attributes of the old root node.
-    for (List<AttributeRecord const> iter = oldroot->attributeList(); iter; ++iter) {
-        attribs.push_back(g_quark_to_string(iter->key));
-    }
-
-    // Delete the attributes of the old root node.
-    for (std::vector<gchar const *>::const_iterator it = attribs.begin(); it != attribs.end(); ++it) {
-        oldroot->setAttribute(*it, NULL);
-    }
-
-    // Set the new attributes.
-    for (List<AttributeRecord const> iter = newroot->attributeList(); iter; ++iter) {
-        gchar const *name = g_quark_to_string(iter->key);
-        oldroot->setAttribute(name, newroot->attribute(name));
-    }
-
     attribs.clear();
 
     // Must explicitly copy namedview attributes.
-
     // Make a list of all attributes of the old namedview node.
     for (List<AttributeRecord const> iter = oldroot_namedview->attributeList(); iter; ++iter) {
         attribs.push_back(g_quark_to_string(iter->key));
@@ -939,11 +942,7 @@ void Script::checkStderr (const Glib::ustring &data,
     GtkWidget *dlg = GTK_WIDGET(warning.gobj());
     sp_transientize(dlg);
 
-#if WITH_GTKMM_3_0
-    Gtk::Box * vbox = warning.get_content_area();
-#else
-    Gtk::Box * vbox = warning.get_vbox();
-#endif
+    auto vbox = warning.get_content_area();
 
     /* Gtk::TextView * textview = new Gtk::TextView(Gtk::TextBuffer::create()); */
     Gtk::TextView * textview = new Gtk::TextView();
diff --git a/src/extension/implementation/xslt.cpp b/src/extension/implementation/xslt.cpp
index 85ae9efde..373378d97 100644
--- a/src/extension/implementation/xslt.cpp
+++ b/src/extension/implementation/xslt.cpp
@@ -13,7 +13,7 @@
  */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 
 #include "file.h"
@@ -22,13 +22,11 @@
 #include "../output.h"
 #include "extension/input.h"
 
-#include "xml/repr.h"
 #include "io/sys.h"
 #include <unistd.h>
 #include <cstring>
 #include "document.h"
 
-#include <libxml/parser.h>
 #include <libxslt/transform.h>
 #include <libxslt/xsltutils.h>
 
diff --git a/src/extension/input.cpp b/src/extension/input.cpp
index 5cef38009..2ba48ffda 100644
--- a/src/extension/input.cpp
+++ b/src/extension/input.cpp
@@ -8,14 +8,12 @@
  */
 
 #ifdef HAVE_CONFIG_H
-# include "config.h"
 #endif
 
 #include "prefdialog.h"
 #include "implementation/implementation.h"
 #include "timer.h"
 #include "input.h"
-#include "io/sys.h"
 
 /* Inkscape::Extension::Input */
 
diff --git a/src/extension/internal/Makefile_insert b/src/extension/internal/Makefile_insert
deleted file mode 100644
index 125776d41..000000000
--- a/src/extension/internal/Makefile_insert
+++ /dev/null
@@ -1,173 +0,0 @@
-## Makefile.am fragment sourced by src/Makefile.am.
-
-if WITH_LIBWPG
-ink_common_sources += \
-	extension/internal/wpg-input.cpp	\
-	extension/internal/wpg-input.h
-endif
-
-if WITH_LIBVISIO
-ink_common_sources += \
-	extension/internal/vsd-input.cpp	\
-	extension/internal/vsd-input.h
-endif
-
-if WITH_LIBCDR
-ink_common_sources += \
-	extension/internal/cdr-input.cpp	\
-	extension/internal/cdr-input.h
-endif
-
-if USE_IMAGE_MAGICK
-ink_common_sources +=			\
-	extension/internal/bitmap/imagemagick.cpp		\
-	extension/internal/bitmap/imagemagick.h			\
-	extension/internal/bitmap/adaptiveThreshold.cpp		\
-	extension/internal/bitmap/adaptiveThreshold.h		\
-	extension/internal/bitmap/addNoise.cpp			\
-	extension/internal/bitmap/addNoise.h			\
-	extension/internal/bitmap/blur.cpp			\
-	extension/internal/bitmap/blur.h			\
-	extension/internal/bitmap/channel.cpp			\
-	extension/internal/bitmap/channel.h			\
-	extension/internal/bitmap/charcoal.cpp			\
-	extension/internal/bitmap/charcoal.h			\
-	extension/internal/bitmap/colorize.cpp			\
-	extension/internal/bitmap/colorize.h			\
-	extension/internal/bitmap/contrast.cpp			\
-	extension/internal/bitmap/contrast.h			\
-	extension/internal/bitmap/crop.cpp			\
-	extension/internal/bitmap/crop.h			\
-	extension/internal/bitmap/cycleColormap.cpp		\
-	extension/internal/bitmap/cycleColormap.h		\
-	extension/internal/bitmap/despeckle.cpp			\
-	extension/internal/bitmap/despeckle.h			\
-	extension/internal/bitmap/edge.cpp			\
-	extension/internal/bitmap/edge.h			\
-	extension/internal/bitmap/emboss.cpp			\
-	extension/internal/bitmap/emboss.h			\
-	extension/internal/bitmap/enhance.cpp			\
-	extension/internal/bitmap/enhance.h			\
-	extension/internal/bitmap/equalize.cpp			\
-	extension/internal/bitmap/equalize.h			\
-	extension/internal/bitmap/gaussianBlur.cpp		\
-	extension/internal/bitmap/gaussianBlur.h		\
-	extension/internal/bitmap/implode.cpp			\
-	extension/internal/bitmap/implode.h			\
-	extension/internal/bitmap/level.cpp			\
-	extension/internal/bitmap/level.h			\
-	extension/internal/bitmap/levelChannel.cpp		\
-	extension/internal/bitmap/levelChannel.h		\
-	extension/internal/bitmap/medianFilter.cpp		\
-	extension/internal/bitmap/medianFilter.h		\
-	extension/internal/bitmap/modulate.cpp			\
-	extension/internal/bitmap/modulate.h			\
-	extension/internal/bitmap/negate.cpp			\
-	extension/internal/bitmap/negate.h			\
-	extension/internal/bitmap/normalize.cpp			\
-	extension/internal/bitmap/normalize.h			\
-	extension/internal/bitmap/oilPaint.cpp			\
-	extension/internal/bitmap/oilPaint.h			\
-	extension/internal/bitmap/opacity.cpp			\
-	extension/internal/bitmap/opacity.h			\
-	extension/internal/bitmap/raise.cpp			\
-	extension/internal/bitmap/raise.h			\
-	extension/internal/bitmap/reduceNoise.cpp		\
-	extension/internal/bitmap/reduceNoise.h			\
-	extension/internal/bitmap/sample.cpp			\
-	extension/internal/bitmap/sample.h			\
-	extension/internal/bitmap/shade.cpp			\
-	extension/internal/bitmap/shade.h			\
-	extension/internal/bitmap/sharpen.cpp			\
-	extension/internal/bitmap/sharpen.h			\
-	extension/internal/bitmap/solarize.cpp			\
-	extension/internal/bitmap/solarize.h			\
-	extension/internal/bitmap/spread.cpp			\
-	extension/internal/bitmap/spread.h			\
-	extension/internal/bitmap/swirl.cpp			\
-	extension/internal/bitmap/swirl.h			\
-	extension/internal/bitmap/threshold.cpp			\
-	extension/internal/bitmap/threshold.h			\
-	extension/internal/bitmap/unsharpmask.cpp		\
-	extension/internal/bitmap/unsharpmask.h			\
-	extension/internal/bitmap/wave.cpp			\
-	extension/internal/bitmap/wave.h
-endif
-
-ink_common_sources +=	\
-	extension/internal/bluredge.h	\
-	extension/internal/bluredge.cpp	\
-	extension/internal/clear-n_.h   \
-	extension/internal/grid.h	\
-	extension/internal/grid.cpp	\
-	extension/internal/gimpgrad.h	\
-	extension/internal/gimpgrad.cpp	\
-	extension/internal/svg.h	\
-	extension/internal/svg.cpp	\
-	extension/internal/svgz.h	\
-	extension/internal/svgz.cpp	\
-	extension/internal/cairo-ps-out.h	\
-	extension/internal/cairo-ps-out.cpp	\
-	extension/internal/cairo-render-context.h	\
-	extension/internal/cairo-render-context.cpp	\
-	extension/internal/cairo-renderer.h \
-	extension/internal/cairo-renderer.cpp \
-	extension/internal/cairo-renderer-pdf-out.h	\
-	extension/internal/cairo-renderer-pdf-out.cpp	\
-	extension/internal/cairo-png-out.h \
-	extension/internal/cairo-png-out.cpp \
-	extension/internal/javafx-out.cpp	\
-	extension/internal/javafx-out.h	\
-	extension/internal/gdkpixbuf-input.h	\
-	extension/internal/gdkpixbuf-input.cpp	\
-	extension/internal/latex-text-renderer.h \
-	extension/internal/latex-text-renderer.cpp \
-	extension/internal/pdfinput/svg-builder.h \
-	extension/internal/pdfinput/svg-builder.cpp \
-	extension/internal/pdfinput/pdf-parser.h \
-	extension/internal/pdfinput/pdf-parser.cpp \
-	extension/internal/pdfinput/pdf-input.h	\
-	extension/internal/pdfinput/pdf-input.cpp	\
-	extension/internal/pov-out.cpp	\
-	extension/internal/pov-out.h	\
-	extension/internal/odf.cpp	\
-	extension/internal/odf.h	\
-	extension/internal/latex-pstricks.cpp	\
-	extension/internal/latex-pstricks.h	\
-	extension/internal/latex-pstricks-out.cpp	\
-	extension/internal/latex-pstricks-out.h	\
-	extension/internal/filter/bevels.h	\
-	extension/internal/filter/blurs.h \
-	extension/internal/filter/bumps.h \
-	extension/internal/filter/color.h \
-	extension/internal/filter/distort.h \
-	extension/internal/filter/filter.h \
-	extension/internal/filter/image.h \
-	extension/internal/filter/morphology.h \
-	extension/internal/filter/overlays.h \
-	extension/internal/filter/paint.h \
-	extension/internal/filter/protrusions.h \
-	extension/internal/filter/shadows.h \
-	extension/internal/filter/textures.h \
-	extension/internal/filter/transparency.h \
-	extension/internal/filter/filter-all.cpp \
-	extension/internal/filter/filter-file.cpp \
-	extension/internal/filter/filter.cpp \
-	extension/internal/filter/filter.h \
-	extension/internal/text_reassemble.c \
-	extension/internal/text_reassemble.h \
-	extension/internal/emf-print.h \
-	extension/internal/emf-print.cpp \
-	extension/internal/emf-inout.h \
-	extension/internal/emf-inout.cpp \
-	extension/internal/metafile-inout.h \
-	extension/internal/metafile-inout.cpp \
-	extension/internal/metafile-print.h \
-	extension/internal/metafile-print.cpp \
-	extension/internal/wmf-print.h \
-	extension/internal/wmf-print.cpp \
-	extension/internal/wmf-inout.h \
-	extension/internal/wmf-inout.cpp \
-	extension/internal/image-resolution.h \
-	extension/internal/image-resolution.cpp
-	
diff --git a/src/extension/internal/bitmap/adaptiveThreshold.cpp b/src/extension/internal/bitmap/adaptiveThreshold.cpp
index 9c9d6796b..3d7475cb3 100644
--- a/src/extension/internal/bitmap/adaptiveThreshold.cpp
+++ b/src/extension/internal/bitmap/adaptiveThreshold.cpp
@@ -38,9 +38,9 @@ AdaptiveThreshold::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Adaptive Threshold") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.adaptiveThreshold</id>\n"
-			"<param name=\"width\" gui-text=\"" N_("Width:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
-			"<param name=\"height\" gui-text=\"" N_("Height:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
-			"<param name=\"offset\" gui-text=\"" N_("Offset:") "\" type=\"int\" min=\"0\" max=\"100\">0</param>\n"
+			"<param name=\"width\" _gui-text=\"" N_("Width:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
+			"<param name=\"height\" _gui-text=\"" N_("Height:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
+			"<param name=\"offset\" _gui-text=\"" N_("Offset:") "\" type=\"int\" min=\"0\" max=\"100\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/addNoise.cpp b/src/extension/internal/bitmap/addNoise.cpp
index 0322dec0c..02bb877b7 100644
--- a/src/extension/internal/bitmap/addNoise.cpp
+++ b/src/extension/internal/bitmap/addNoise.cpp
@@ -44,7 +44,7 @@ AddNoise::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Add Noise") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.addNoise</id>\n"
-			"<param name=\"noiseType\" gui-text=\"" N_("Type:") "\" type=\"enum\" >\n"
+			"<param name=\"noiseType\" _gui-text=\"" N_("Type:") "\" type=\"enum\" >\n"
 				"<_item value='Uniform Noise'>" N_("Uniform Noise") "</_item>\n"
 				"<_item value='Gaussian Noise'>" N_("Gaussian Noise") "</_item>\n"
 				"<_item value='Multiplicative Gaussian Noise'>" N_("Multiplicative Gaussian Noise") "</_item>\n"
diff --git a/src/extension/internal/bitmap/blur.cpp b/src/extension/internal/bitmap/blur.cpp
index cc44994ec..37a56b8a9 100644
--- a/src/extension/internal/bitmap/blur.cpp
+++ b/src/extension/internal/bitmap/blur.cpp
@@ -37,8 +37,8 @@ Blur::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Blur") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.blur</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1</param>\n"
-			"<param name=\"sigma\"  gui-text=\"" N_("Sigma:") "\"  type=\"float\" min=\"0\" max=\"100\">0.5</param>\n"
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1</param>\n"
+			"<param name=\"sigma\"  _gui-text=\"" N_("Sigma:") "\"  type=\"float\" min=\"0\" max=\"100\">0.5</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/channel.cpp b/src/extension/internal/bitmap/channel.cpp
index 372e7456b..57ef0421b 100644
--- a/src/extension/internal/bitmap/channel.cpp
+++ b/src/extension/internal/bitmap/channel.cpp
@@ -47,7 +47,7 @@ Channel::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Channel") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.channel</id>\n"
-			"<param name=\"layer\" gui-text=\"" N_("Layer:") "\" type=\"enum\" >\n"
+			"<param name=\"layer\" _gui-text=\"" N_("Layer:") "\" type=\"enum\" >\n"
 				"<_item value='Red Channel'>" N_("Red Channel") "</_item>\n"
 				"<_item value='Green Channel'>" N_("Green Channel") "</_item>\n"
 				"<_item value='Blue Channel'>" N_("Blue Channel") "</_item>\n"
diff --git a/src/extension/internal/bitmap/charcoal.cpp b/src/extension/internal/bitmap/charcoal.cpp
index f647f8711..2cfd741d1 100644
--- a/src/extension/internal/bitmap/charcoal.cpp
+++ b/src/extension/internal/bitmap/charcoal.cpp
@@ -37,8 +37,8 @@ Charcoal::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Charcoal") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.charcoal</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1</param>\n"
-			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"100\">0.5</param>\n"
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1</param>\n"
+			"<param name=\"sigma\" _gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"100\">0.5</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/colorize.cpp b/src/extension/internal/bitmap/colorize.cpp
index 0b3b95420..1c4b8a696 100644
--- a/src/extension/internal/bitmap/colorize.cpp
+++ b/src/extension/internal/bitmap/colorize.cpp
@@ -49,7 +49,7 @@ Colorize::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Colorize") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.colorize</id>\n"
-			"<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">0</param>\n"
+			"<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/contrast.cpp b/src/extension/internal/bitmap/contrast.cpp
index c527536d9..a3be77808 100644
--- a/src/extension/internal/bitmap/contrast.cpp
+++ b/src/extension/internal/bitmap/contrast.cpp
@@ -39,7 +39,7 @@ Contrast::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Contrast") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.contrast</id>\n"
-			"<param name=\"sharpen\" gui-text=\"" N_("Adjust:") "\" type=\"int\" min=\"0\" max=\"10\">0</param>\n"
+			"<param name=\"sharpen\" _gui-text=\"" N_("Adjust:") "\" type=\"int\" min=\"0\" max=\"10\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/crop.cpp b/src/extension/internal/bitmap/crop.cpp
index 02d92668b..8f6c503ca 100644
--- a/src/extension/internal/bitmap/crop.cpp
+++ b/src/extension/internal/bitmap/crop.cpp
@@ -65,10 +65,10 @@ Crop::init(void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
           "<name>" N_("Crop") "</name>\n"
           "<id>org.inkscape.effect.bitmap.crop</id>\n"
-          "<param name=\"top\" gui-text=\"" N_("Top (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
-          "<param name=\"bottom\" gui-text=\"" N_("Bottom (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
-          "<param name=\"left\" gui-text=\"" N_("Left (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
-          "<param name=\"right\" gui-text=\"" N_("Right (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
+          "<param name=\"top\" _gui-text=\"" N_("Top (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
+          "<param name=\"bottom\" _gui-text=\"" N_("Bottom (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
+          "<param name=\"left\" _gui-text=\"" N_("Left (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
+          "<param name=\"right\" _gui-text=\"" N_("Right (px):") "\" type=\"int\" min=\"0\" max=\"100000\">0</param>\n"
           "<effect>\n"
             "<object-type>all</object-type>\n"
             "<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/cycleColormap.cpp b/src/extension/internal/bitmap/cycleColormap.cpp
index 349b6d9f5..8d55087a6 100644
--- a/src/extension/internal/bitmap/cycleColormap.cpp
+++ b/src/extension/internal/bitmap/cycleColormap.cpp
@@ -36,7 +36,7 @@ CycleColormap::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Cycle Colormap") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.cycleColormap</id>\n"
-			"<param name=\"amount\" gui-text=\"" N_("Amount:") "\" type=\"int\" min=\"0\" max=\"360\">180</param>\n"
+			"<param name=\"amount\" _gui-text=\"" N_("Amount:") "\" type=\"int\" min=\"0\" max=\"360\">180</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/edge.cpp b/src/extension/internal/bitmap/edge.cpp
index 2d165331f..486ce0e4e 100644
--- a/src/extension/internal/bitmap/edge.cpp
+++ b/src/extension/internal/bitmap/edge.cpp
@@ -36,7 +36,7 @@ Edge::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Edge") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.edge</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"int\" min=\"0\" max=\"100\">0</param>\n"
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"int\" min=\"0\" max=\"100\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/emboss.cpp b/src/extension/internal/bitmap/emboss.cpp
index 634c71a98..9518cf320 100644
--- a/src/extension/internal/bitmap/emboss.cpp
+++ b/src/extension/internal/bitmap/emboss.cpp
@@ -37,8 +37,8 @@ Emboss::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Emboss") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.emboss</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1.0</param>\n"
-			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"-50\" max=\"50\">0.5</param>\n"
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">1.0</param>\n"
+			"<param name=\"sigma\" _gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"-50\" max=\"50\">0.5</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/gaussianBlur.cpp b/src/extension/internal/bitmap/gaussianBlur.cpp
index 7d93ef66a..d68cd59bc 100644
--- a/src/extension/internal/bitmap/gaussianBlur.cpp
+++ b/src/extension/internal/bitmap/gaussianBlur.cpp
@@ -37,8 +37,8 @@ GaussianBlur::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Gaussian Blur") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.gaussianBlur</id>\n"
-			"<param name=\"width\" gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">5.0</param>\n"
-			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"100\">5.0</param>\n"
+			"<param name=\"width\" _gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">5.0</param>\n"
+			"<param name=\"sigma\" _gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"100\">5.0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/imagemagick.cpp b/src/extension/internal/bitmap/imagemagick.cpp
index a235dcb0f..472c2db91 100644
--- a/src/extension/internal/bitmap/imagemagick.cpp
+++ b/src/extension/internal/bitmap/imagemagick.cpp
@@ -65,8 +65,8 @@ ImageMagickDocCache::ImageMagickDocCache(Inkscape::UI::View::View * view) :
     _imageItems(NULL)
 {
     SPDesktop *desktop = (SPDesktop*)view;
-    const std::vector<SPItem*> selectedItemList = desktop->selection->itemList();
-    int selectCount = selectedItemList.size();
+    auto selectedItemList = desktop->selection->items();
+    int selectCount = (int) boost::distance(selectedItemList);
     
     // Init the data-holders
     _nodes = new Inkscape::XML::Node*[selectCount];
@@ -78,7 +78,7 @@ ImageMagickDocCache::ImageMagickDocCache(Inkscape::UI::View::View * view) :
     _imageItems = new SPItem*[selectCount];
 
     // Loop through selected items
-    for (std::vector<SPItem*>::const_iterator i = selectedItemList.begin(); i != selectedItemList.end(); ++i) {
+    for (auto i = selectedItemList.begin(); i != selectedItemList.end(); ++i) {
         SPItem *item = *i;
         Inkscape::XML::Node *node = reinterpret_cast<Inkscape::XML::Node *>(item->getRepr());
         if (!strcmp(node->name(), "image") || !strcmp(node->name(), "svg:image"))
@@ -235,7 +235,7 @@ ImageMagick::prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::Vie
 {
     SPDocument * current_document = view->doc();
 
-    std::vector<SPItem*> selected = ((SPDesktop *)view)->getSelection()->itemList();
+    auto selected = ((SPDesktop *) view)->getSelection()->items();
     Inkscape::XML::Node * first_select = NULL;
     if (!selected.empty()) {
         first_select = (selected.front())->getRepr();
diff --git a/src/extension/internal/bitmap/implode.cpp b/src/extension/internal/bitmap/implode.cpp
index 15f92f5f6..c24fb7bf5 100644
--- a/src/extension/internal/bitmap/implode.cpp
+++ b/src/extension/internal/bitmap/implode.cpp
@@ -36,7 +36,7 @@ Implode::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Implode") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.implode</id>\n"
-			"<param name=\"factor\" gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">10</param>\n"
+			"<param name=\"factor\" _gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">10</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/level.cpp b/src/extension/internal/bitmap/level.cpp
index 9c266eb11..168328e8f 100644
--- a/src/extension/internal/bitmap/level.cpp
+++ b/src/extension/internal/bitmap/level.cpp
@@ -40,9 +40,9 @@ Level::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Level") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.level</id>\n"
-			"<param name=\"blackPoint\" gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0\" max=\"100\">0</param>\n"			
-			"<param name=\"whitePoint\" gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0\" max=\"100\">100</param>\n"			
-			"<param name=\"midPoint\" gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
+			"<param name=\"blackPoint\" _gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0\" max=\"100\">0</param>\n"			
+			"<param name=\"whitePoint\" _gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0\" max=\"100\">100</param>\n"			
+			"<param name=\"midPoint\" _gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/levelChannel.cpp b/src/extension/internal/bitmap/levelChannel.cpp
index 3e39657c3..d5c636059 100644
--- a/src/extension/internal/bitmap/levelChannel.cpp
+++ b/src/extension/internal/bitmap/levelChannel.cpp
@@ -51,7 +51,7 @@ LevelChannel::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Level (with Channel)") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.levelChannel</id>\n"
-			"<param name=\"channel\" gui-text=\"" N_("Channel:") "\" type=\"enum\" >\n"
+			"<param name=\"channel\" _gui-text=\"" N_("Channel:") "\" type=\"enum\" >\n"
 				"<_item value='Red Channel'>" N_("Red Channel") "</_item>\n"
 				"<_item value='Green Channel'>" N_("Green Channel") "</_item>\n"
 				"<_item value='Blue Channel'>" N_("Blue Channel") "</_item>\n"
@@ -62,9 +62,9 @@ LevelChannel::init(void)
 				"<_item value='Opacity Channel'>" N_("Opacity Channel") "</_item>\n"
 				"<_item value='Matte Channel'>" N_("Matte Channel") "</_item>\n"
 			"</param>\n"
-			"<param name=\"blackPoint\" gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.0</param>\n"			
-			"<param name=\"whitePoint\" gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">100.0</param>\n"			
-			"<param name=\"midPoint\" gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0.0\" max=\"10.0\">1.0</param>\n"
+			"<param name=\"blackPoint\" _gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.0</param>\n"			
+			"<param name=\"whitePoint\" _gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">100.0</param>\n"			
+			"<param name=\"midPoint\" _gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0.0\" max=\"10.0\">1.0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/medianFilter.cpp b/src/extension/internal/bitmap/medianFilter.cpp
index 44ff9e543..64837850d 100644
--- a/src/extension/internal/bitmap/medianFilter.cpp
+++ b/src/extension/internal/bitmap/medianFilter.cpp
@@ -36,7 +36,7 @@ MedianFilter::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Median") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.medianFilter</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">0</param>\n"			
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"100\">0</param>\n"			
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/modulate.cpp b/src/extension/internal/bitmap/modulate.cpp
index d123a5c15..3b3a2495c 100644
--- a/src/extension/internal/bitmap/modulate.cpp
+++ b/src/extension/internal/bitmap/modulate.cpp
@@ -39,9 +39,9 @@ Modulate::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("HSB Adjust") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.modulate</id>\n"			
-			"<param name=\"hue\" gui-text=\"" N_("Hue:") "\" type=\"float\" min=\"-360\" max=\"360\">0</param>\n"
-			"<param name=\"saturation\" gui-text=\"" N_("Saturation:") "\" type=\"float\" min=\"-200\" max=\"200\">0</param>\n"
-			"<param name=\"brightness\" gui-text=\"" N_("Brightness:") "\" type=\"float\" min=\"-200\" max=\"200\">0</param>\n"
+			"<param name=\"hue\" _gui-text=\"" N_("Hue:") "\" type=\"float\" min=\"-360\" max=\"360\">0</param>\n"
+			"<param name=\"saturation\" _gui-text=\"" N_("Saturation:") "\" type=\"float\" min=\"-200\" max=\"200\">0</param>\n"
+			"<param name=\"brightness\" _gui-text=\"" N_("Brightness:") "\" type=\"float\" min=\"-200\" max=\"200\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/oilPaint.cpp b/src/extension/internal/bitmap/oilPaint.cpp
index 5377ab2b1..88c85a590 100644
--- a/src/extension/internal/bitmap/oilPaint.cpp
+++ b/src/extension/internal/bitmap/oilPaint.cpp
@@ -36,7 +36,7 @@ OilPaint::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Oil Paint") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.oilPaint</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"int\" min=\"0\" max=\"50\">3</param>\n"			
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"int\" min=\"0\" max=\"50\">3</param>\n"			
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/opacity.cpp b/src/extension/internal/bitmap/opacity.cpp
index f9b4bbc27..a25e99543 100644
--- a/src/extension/internal/bitmap/opacity.cpp
+++ b/src/extension/internal/bitmap/opacity.cpp
@@ -37,7 +37,7 @@ Opacity::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Opacity") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.opacity</id>\n"
-			"<param name=\"opacity\" gui-text=\"" N_("Opacity:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">80.0</param>\n"
+			"<param name=\"opacity\" _gui-text=\"" N_("Opacity:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">80.0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/raise.cpp b/src/extension/internal/bitmap/raise.cpp
index 9ca832c30..e85cc747a 100644
--- a/src/extension/internal/bitmap/raise.cpp
+++ b/src/extension/internal/bitmap/raise.cpp
@@ -39,9 +39,9 @@ Raise::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Raise") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.raise</id>\n"
-			"<param name=\"width\" gui-text=\"" N_("Width:") "\" type=\"int\" min=\"0\" max=\"800\">6</param>\n"
-			"<param name=\"height\" gui-text=\"" N_("Height:") "\" type=\"int\" min=\"0\" max=\"800\">6</param>\n"
-			"<param name=\"raisedFlag\" gui-text=\"" N_("Raised") "\" type=\"boolean\">0</param>\n"
+			"<param name=\"width\" _gui-text=\"" N_("Width:") "\" type=\"int\" min=\"0\" max=\"800\">6</param>\n"
+			"<param name=\"height\" _gui-text=\"" N_("Height:") "\" type=\"int\" min=\"0\" max=\"800\">6</param>\n"
+			"<param name=\"raisedFlag\" _gui-text=\"" N_("Raised") "\" type=\"boolean\">0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/reduceNoise.cpp b/src/extension/internal/bitmap/reduceNoise.cpp
index db227ec41..b0d8b9c2d 100644
--- a/src/extension/internal/bitmap/reduceNoise.cpp
+++ b/src/extension/internal/bitmap/reduceNoise.cpp
@@ -39,7 +39,7 @@ ReduceNoise::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Reduce Noise") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.reduceNoise</id>\n"
-			"<param name=\"order\" gui-text=\"" N_("Order:") "\" type=\"int\" min=\"-1\" max=\"100\">-1</param>\n"
+			"<param name=\"order\" _gui-text=\"" N_("Order:") "\" type=\"int\" min=\"-1\" max=\"100\">-1</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/sample.cpp b/src/extension/internal/bitmap/sample.cpp
index 706ae1d5b..081303b73 100644
--- a/src/extension/internal/bitmap/sample.cpp
+++ b/src/extension/internal/bitmap/sample.cpp
@@ -38,8 +38,8 @@ Sample::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Resample") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.sample</id>\n"
-			"<param name=\"width\" gui-text=\"" N_("Width:") "\" type=\"int\" min=\"0\" max=\"6400\">100</param>\n"
-			"<param name=\"height\" gui-text=\"" N_("Height:") "\" type=\"int\" min=\"0\" max=\"6400\">100</param>\n"
+			"<param name=\"width\" _gui-text=\"" N_("Width:") "\" type=\"int\" min=\"0\" max=\"6400\">100</param>\n"
+			"<param name=\"height\" _gui-text=\"" N_("Height:") "\" type=\"int\" min=\"0\" max=\"6400\">100</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/shade.cpp b/src/extension/internal/bitmap/shade.cpp
index de7c9d669..927a3a578 100644
--- a/src/extension/internal/bitmap/shade.cpp
+++ b/src/extension/internal/bitmap/shade.cpp
@@ -39,9 +39,9 @@ Shade::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Shade") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.shade</id>\n"
-			"<param name=\"azimuth\" gui-text=\"" N_("Azimuth:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
-			"<param name=\"elevation\" gui-text=\"" N_("Elevation:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
-			"<param name=\"colorShading\" gui-text=\"" N_("Colored Shading") "\" type=\"boolean\">false</param>\n"
+			"<param name=\"azimuth\" _gui-text=\"" N_("Azimuth:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
+			"<param name=\"elevation\" _gui-text=\"" N_("Elevation:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
+			"<param name=\"colorShading\" _gui-text=\"" N_("Colored Shading") "\" type=\"boolean\">false</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/sharpen.cpp b/src/extension/internal/bitmap/sharpen.cpp
index 89181abad..d397d46c8 100644
--- a/src/extension/internal/bitmap/sharpen.cpp
+++ b/src/extension/internal/bitmap/sharpen.cpp
@@ -37,8 +37,8 @@ Sharpen::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Sharpen") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.sharpen</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"50\">1.0</param>\n"
-			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"10\">0.5</param>\n"			
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0\" max=\"50\">1.0</param>\n"
+			"<param name=\"sigma\" _gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0\" max=\"10\">0.5</param>\n"			
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/solarize.cpp b/src/extension/internal/bitmap/solarize.cpp
index d333d2ae8..5f8cdd17c 100644
--- a/src/extension/internal/bitmap/solarize.cpp
+++ b/src/extension/internal/bitmap/solarize.cpp
@@ -38,7 +38,7 @@ Solarize::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Solarize") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.solarize</id>\n"
-			"<param name=\"factor\" gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">50</param>\n"
+			"<param name=\"factor\" _gui-text=\"" N_("Factor:") "\" type=\"float\" min=\"0\" max=\"100\">50</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/spread.cpp b/src/extension/internal/bitmap/spread.cpp
index 3e9110dd7..e38e2a927 100644
--- a/src/extension/internal/bitmap/spread.cpp
+++ b/src/extension/internal/bitmap/spread.cpp
@@ -36,7 +36,7 @@ Spread::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Dither") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.spread</id>\n"
-			"<param name=\"amount\" gui-text=\"" N_("Amount:") "\" type=\"int\" min=\"0\" max=\"100\">3</param>\n"
+			"<param name=\"amount\" _gui-text=\"" N_("Amount:") "\" type=\"int\" min=\"0\" max=\"100\">3</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/swirl.cpp b/src/extension/internal/bitmap/swirl.cpp
index 1f2776031..98efa6238 100644
--- a/src/extension/internal/bitmap/swirl.cpp
+++ b/src/extension/internal/bitmap/swirl.cpp
@@ -36,7 +36,7 @@ Swirl::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Swirl") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.swirl</id>\n"
-			"<param name=\"degrees\" gui-text=\"" N_("Degrees:") "\" type=\"int\" min=\"-360\" max=\"360\">30</param>\n"
+			"<param name=\"degrees\" _gui-text=\"" N_("Degrees:") "\" type=\"int\" min=\"-360\" max=\"360\">30</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/threshold.cpp b/src/extension/internal/bitmap/threshold.cpp
index 0db0f7749..9f10b2c42 100644
--- a/src/extension/internal/bitmap/threshold.cpp
+++ b/src/extension/internal/bitmap/threshold.cpp
@@ -37,7 +37,7 @@ Threshold::init(void)
 // TRANSLATORS: see http://docs.gimp.org/en/gimp-tool-threshold.html
 			"<name>" N_("Threshold") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.threshold</id>\n"
-			"<param name=\"threshold\" gui-text=\"" N_("Threshold:") "\" type=\"float\" min=\"-100.0\" max=\"100.0\"></param>\n"
+			"<param name=\"threshold\" _gui-text=\"" N_("Threshold:") "\" type=\"float\" min=\"-100.0\" max=\"100.0\"></param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/unsharpmask.cpp b/src/extension/internal/bitmap/unsharpmask.cpp
index 222feae8d..c5a7e9291 100644
--- a/src/extension/internal/bitmap/unsharpmask.cpp
+++ b/src/extension/internal/bitmap/unsharpmask.cpp
@@ -40,10 +40,10 @@ Unsharpmask::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Unsharp Mask") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.unsharpmask</id>\n"
-			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
-			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
-			"<param name=\"amount\" gui-text=\"" N_("Amount:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">50.0</param>\n"
-			"<param name=\"threshold\" gui-text=\"" N_("Threshold:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<param name=\"radius\" _gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<param name=\"sigma\" _gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<param name=\"amount\" _gui-text=\"" N_("Amount:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">50.0</param>\n"
+			"<param name=\"threshold\" _gui-text=\"" N_("Threshold:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bitmap/wave.cpp b/src/extension/internal/bitmap/wave.cpp
index 158ae7e64..1ccaa1d5e 100644
--- a/src/extension/internal/bitmap/wave.cpp
+++ b/src/extension/internal/bitmap/wave.cpp
@@ -37,8 +37,8 @@ Wave::init(void)
 		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 			"<name>" N_("Wave") "</name>\n"
 			"<id>org.inkscape.effect.bitmap.wave</id>\n"
-			"<param name=\"amplitude\" gui-text=\"" N_("Amplitude:") "\" type=\"float\" min=\"-720.0\" max=\"720.0\">25</param>\n"			
-			"<param name=\"wavelength\" gui-text=\"" N_("Wavelength:") "\" type=\"float\" min=\"-720.0\" max=\"720.0\">150</param>\n"			
+			"<param name=\"amplitude\" _gui-text=\"" N_("Amplitude:") "\" type=\"float\" min=\"-720.0\" max=\"720.0\">25</param>\n"			
+			"<param name=\"wavelength\" _gui-text=\"" N_("Wavelength:") "\" type=\"float\" min=\"-720.0\" max=\"720.0\">150</param>\n"			
 			"<effect>\n"
 				"<object-type>all</object-type>\n"
 				"<effects-menu>\n"
diff --git a/src/extension/internal/bluredge.cpp b/src/extension/internal/bluredge.cpp
index 0e3aa98ce..4f66b39fc 100644
--- a/src/extension/internal/bluredge.cpp
+++ b/src/extension/internal/bluredge.cpp
@@ -62,7 +62,7 @@ BlurEdge::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View
     double old_offset = prefs->getDouble("/options/defaultoffsetwidth/value", 1.0, "px");
 
     // TODO need to properly refcount the items, at least
-    std::vector<SPItem*> items(selection->itemList());
+    std::vector<SPItem*> items(selection->items().begin(), selection->items().end());
     selection->clear();
 
     for(std::vector<SPItem*>::iterator item = items.begin();
@@ -131,8 +131,8 @@ BlurEdge::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("Inset/Outset Halo") "</name>\n"
             "<id>org.inkscape.effect.bluredge</id>\n"
-            "<param name=\"blur-width\" gui-text=\"" N_("Width:") "\" gui-description=\"" N_("Width in px of the halo") "\" scope=\"document\" type=\"float\" min=\"1.0\" max=\"50.0\">1.0</param>\n"
-            "<param name=\"num-steps\" gui-text=\"" N_("Number of steps:") "\" gui-description=\"" N_("Number of inset/outset copies of the object to make") "\" scope=\"document\" type=\"int\" min=\"5\" max=\"100\">11</param>\n"
+            "<param name=\"blur-width\" _gui-text=\"" N_("Width:") "\" gui-description=\"" N_("Width in px of the halo") "\" scope=\"document\" type=\"float\" min=\"1.0\" max=\"50.0\">1.0</param>\n"
+            "<param name=\"num-steps\" _gui-text=\"" N_("Number of steps:") "\" gui-description=\"" N_("Number of inset/outset copies of the object to make") "\" scope=\"document\" type=\"int\" min=\"5\" max=\"100\">11</param>\n"
             "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/cairo-ps-out.cpp b/src/extension/internal/cairo-ps-out.cpp
index 5dc412301..e8f47e79e 100644
--- a/src/extension/internal/cairo-ps-out.cpp
+++ b/src/extension/internal/cairo-ps-out.cpp
@@ -326,23 +326,23 @@ CairoPsOutput::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("PostScript") "</name>\n"
             "<id>" SP_MODULE_KEY_PRINT_CAIRO_PS "</id>\n"
-            "<param name=\"PSlevel\" gui-text=\"" N_("Restrict to PS level:") "\" type=\"enum\" >\n"
+            "<param name=\"PSlevel\" _gui-text=\"" N_("Restrict to PS level:") "\" type=\"enum\" >\n"
                 "<_item value='PS3'>" N_("PostScript level 3") "</_item>\n"
                 "<_item value='PS2'>" N_("PostScript level 2") "</_item>\n"
             "</param>\n"
-            "<param name=\"textToPath\" gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
-                "<option value=\"embed\">" N_("Embed fonts") "</option>\n"
-                "<option value=\"paths\">" N_("Convert text to paths") "</option>\n"
-                "<option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</option>\n"
+            "<param name=\"textToPath\" _gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
+                "<_option value=\"embed\">" N_("Embed fonts") "</_option>\n"
+                "<_option value=\"paths\">" N_("Convert text to paths") "</_option>\n"
+                "<_option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</_option>\n"
             "</param>\n"
-            "<param name=\"blurToBitmap\" gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"resolution\" gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
-            "<param name=\"area\" gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" >\n"
+            "<param name=\"blurToBitmap\" _gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"resolution\" _gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
+            "<param name=\"area\" _gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" >\n"
                 "<_option value=\"page\">" N_("Use document's page size") "</_option>"
                 "<_option value=\"drawing\">" N_("Use exported object's size") "</_option>"
             "</param>"
-            "<param name=\"bleed\" gui-text=\"" N_("Bleed/margin (mm):") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
-            "<param name=\"exportId\" gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
+            "<param name=\"bleed\" _gui-text=\"" N_("Bleed/margin (mm):") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
+            "<param name=\"exportId\" _gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
             "<output>\n"
             "<extension>.ps</extension>\n"
                 "<mimetype>image/x-postscript</mimetype>\n"
@@ -368,23 +368,23 @@ CairoEpsOutput::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("Encapsulated PostScript") "</name>\n"
             "<id>" SP_MODULE_KEY_PRINT_CAIRO_EPS "</id>\n"
-            "<param name=\"PSlevel\" gui-text=\"" N_("Restrict to PS level:") "\" type=\"enum\" >\n"
+            "<param name=\"PSlevel\" _gui-text=\"" N_("Restrict to PS level:") "\" type=\"enum\" >\n"
                 "<_item value='PS3'>" N_("PostScript level 3") "</_item>\n"
                 "<_item value='PS2'>" N_("PostScript level 2") "</_item>\n"
             "</param>\n"
-            "<param name=\"textToPath\" gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
-                "<option value=\"embed\">" N_("Embed fonts") "</option>\n"
-                "<option value=\"paths\">" N_("Convert text to paths") "</option>\n"
-                "<option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</option>\n"
+            "<param name=\"textToPath\" _gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
+                "<_option value=\"embed\">" N_("Embed fonts") "</_option>\n"
+                "<_option value=\"paths\">" N_("Convert text to paths") "</_option>\n"
+                "<_option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</_option>\n"
             "</param>\n"
-            "<param name=\"blurToBitmap\" gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"resolution\" gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
-            "<param name=\"area\" gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" >\n"
+            "<param name=\"blurToBitmap\" _gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"resolution\" _gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
+            "<param name=\"area\" _gui-text=\"" N_("Output page size") "\" type=\"optiongroup\" >\n"
                 "<_option value=\"page\">" N_("Use document's page size") "</_option>"
                 "<_option value=\"drawing\">" N_("Use exported object's size") "</_option>"
             "</param>"
-            "<param name=\"bleed\" gui-text=\"" N_("Bleed/margin (mm)") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
-            "<param name=\"exportId\" gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
+            "<param name=\"bleed\" _gui-text=\"" N_("Bleed/margin (mm)") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
+            "<param name=\"exportId\" _gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
             "<output>\n"
                 "<extension>.eps</extension>\n"
                 "<mimetype>image/x-e-postscript</mimetype>\n"
diff --git a/src/extension/internal/cairo-render-context.cpp b/src/extension/internal/cairo-render-context.cpp
index 5d8b0e076..e65752c84 100644
--- a/src/extension/internal/cairo-render-context.cpp
+++ b/src/extension/internal/cairo-render-context.cpp
@@ -42,7 +42,7 @@
 #include "sp-hatch.h"
 #include "sp-linear-gradient.h"
 #include "sp-radial-gradient.h"
-#include "sp-mesh.h"
+#include "sp-mesh-gradient.h"
 #include "sp-pattern.h"
 #include "sp-mask.h"
 #include "sp-clippath.h"
@@ -986,13 +986,12 @@ void CairoRenderContext::popState(void)
 
 static bool pattern_hasItemChildren(SPPattern *pat)
 {
-    bool hasItems = false;
-    for ( SPObject *child = pat->firstChild() ; child && !hasItems; child = child->getNext() ) {
-        if (SP_IS_ITEM (child)) {
-            hasItems = true;
+    for (auto& child: pat->children) {
+        if (SP_IS_ITEM (&child)) {
+            return true;
         }
     }
-    return hasItems;
+    return false;
 }
 
 cairo_pattern_t*
@@ -1087,10 +1086,10 @@ CairoRenderContext::_createPatternPainter(SPPaintServer const *const paintserver
     // show items and render them
     for (SPPattern *pat_i = pat; pat_i != NULL; pat_i = pat_i->ref ? pat_i->ref->getObject() : NULL) {
         if (pat_i && SP_IS_OBJECT(pat_i) && pattern_hasItemChildren(pat_i)) { // find the first one with item children
-            for ( SPObject *child = pat_i->firstChild() ; child; child = child->getNext() ) {
-                if (SP_IS_ITEM(child)) {
-                    SP_ITEM(child)->invoke_show(drawing, dkey, SP_ITEM_REFERENCE_FLAGS);
-                    _renderer->renderItem(pattern_ctx, SP_ITEM(child));
+            for (auto& child: pat_i->children) {
+                if (SP_IS_ITEM(&child)) {
+                    SP_ITEM(&child)->invoke_show(drawing, dkey, SP_ITEM_REFERENCE_FLAGS);
+                    _renderer->renderItem(pattern_ctx, SP_ITEM(&child));
                 }
             }
             break; // do not go further up the chain if children are found
@@ -1116,9 +1115,9 @@ CairoRenderContext::_createPatternPainter(SPPaintServer const *const paintserver
     // hide all items
     for (SPPattern *pat_i = pat; pat_i != NULL; pat_i = pat_i->ref ? pat_i->ref->getObject() : NULL) {
         if (pat_i && SP_IS_OBJECT(pat_i) && pattern_hasItemChildren(pat_i)) { // find the first one with item children
-            for ( SPObject *child = pat_i->firstChild() ; child; child = child->getNext() ) {
-                if (SP_IS_ITEM(child)) {
-                    SP_ITEM(child)->invoke_hide(dkey);
+            for (auto& child: pat_i->children) {
+                if (SP_IS_ITEM(&child)) {
+                    SP_ITEM(&child)->invoke_hide(dkey);
                 }
             }
             break; // do not go further up the chain if children are found
@@ -1258,8 +1257,8 @@ CairoRenderContext::_createPatternForPaintServer(SPPaintServer const *const pain
             sp_color_get_rgb_floatv(&rg->vector.stops[i].color, rgb);
             cairo_pattern_add_color_stop_rgba(pattern, rg->vector.stops[i].offset, rgb[0], rgb[1], rgb[2], rg->vector.stops[i].opacity * alpha);
         }
-    } else if (SP_IS_MESH (paintserver)) {
-        SPMesh *mg = SP_MESH(paintserver);
+    } else if (SP_IS_MESHGRADIENT (paintserver)) {
+        SPMeshGradient *mg = SP_MESHGRADIENT(paintserver);
 
         pattern = mg->pattern_new(_cr, pbox, 1.0);
     } else if (SP_IS_PATTERN (paintserver)) {
diff --git a/src/extension/internal/cairo-renderer-pdf-out.cpp b/src/extension/internal/cairo-renderer-pdf-out.cpp
index e5c9406c9..5576676b2 100644
--- a/src/extension/internal/cairo-renderer-pdf-out.cpp
+++ b/src/extension/internal/cairo-renderer-pdf-out.cpp
@@ -241,25 +241,25 @@ CairoRendererPdfOutput::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>Portable Document Format</name>\n"
             "<id>org.inkscape.output.pdf.cairorenderer</id>\n"
-            "<param name=\"PDFversion\" gui-text=\"" N_("Restrict to PDF version:") "\" type=\"enum\" >\n"
+            "<param name=\"PDFversion\" _gui-text=\"" N_("Restrict to PDF version:") "\" type=\"enum\" >\n"
 #if (CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0))
                 "<_item value='PDF-1.5'>" N_("PDF 1.5") "</_item>\n"
 #endif
                 "<_item value='PDF-1.4'>" N_("PDF 1.4") "</_item>\n"
             "</param>\n"
-            "<param name=\"textToPath\" gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
-                "<option value=\"embed\">" N_("Embed fonts") "</option>\n"
-                "<option value=\"paths\">" N_("Convert text to paths") "</option>\n"
-                "<option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</option>\n"
+            "<param name=\"textToPath\" _gui-text=\"" N_("Text output options:") "\" type=\"optiongroup\">\n"
+                "<_option value=\"embed\">" N_("Embed fonts") "</_option>\n"
+                "<_option value=\"paths\">" N_("Convert text to paths") "</_option>\n"
+                "<_option value=\"LaTeX\">" N_("Omit text in PDF and create LaTeX file") "</_option>\n"
             "</param>\n"
-            "<param name=\"blurToBitmap\" gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"resolution\" gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
-            "<param name=\"area\" gui-text=\"" N_("Output page size:") "\" type=\"optiongroup\" >\n"
+            "<param name=\"blurToBitmap\" _gui-text=\"" N_("Rasterize filter effects") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"resolution\" _gui-text=\"" N_("Resolution for rasterization (dpi):") "\" type=\"int\" min=\"1\" max=\"10000\">96</param>\n"
+            "<param name=\"area\" _gui-text=\"" N_("Output page size:") "\" type=\"optiongroup\" >\n"
                 "<_option value=\"page\">" N_("Use document's page size") "</_option>"
                 "<_option value=\"drawing\">" N_("Use exported object's size") "</_option>"
             "</param>"
-            "<param name=\"bleed\" gui-text=\"" N_("Bleed/margin (mm):") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
-            "<param name=\"exportId\" gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
+            "<param name=\"bleed\" _gui-text=\"" N_("Bleed/margin (mm):") "\" type=\"float\" min=\"-10000\" max=\"10000\">0</param>\n"
+            "<param name=\"exportId\" _gui-text=\"" N_("Limit export to the object with ID:") "\" type=\"string\"></param>\n"
             "<output>\n"
                 "<extension>.pdf</extension>\n"
                 "<mimetype>application/pdf</mimetype>\n"
diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp
index 5dc20ab06..cd96a7f58 100644
--- a/src/extension/internal/cairo-renderer.cpp
+++ b/src/extension/internal/cairo-renderer.cpp
@@ -741,8 +741,8 @@ CairoRenderer::applyClipPath(CairoRenderContext *ctx, SPClipPath const *cp)
 
     TRACE(("BEGIN clip\n"));
     SPObject const *co = cp;
-    for ( SPObject const *child = co->firstChild() ; child; child = child->getNext() ) {
-        SPItem const *item = dynamic_cast<SPItem const *>(child);
+    for (auto& child: co->children) {
+        SPItem const *item = dynamic_cast<SPItem const *>(&child);
         if (item) {
 
             // combine transform of the item in clippath and the item using clippath:
@@ -800,8 +800,8 @@ CairoRenderer::applyMask(CairoRenderContext *ctx, SPMask const *mask)
 
     TRACE(("BEGIN mask\n"));
     SPObject const *co = mask;
-    for ( SPObject const *child = co->firstChild() ; child; child = child->getNext() ) {
-        SPItem const *item = dynamic_cast<SPItem const *>(child);
+    for (auto& child: co->children) {
+        SPItem const *item = dynamic_cast<SPItem const *>(&child);
         if (item) {
             // TODO fix const correctness:
             renderItem(ctx, const_cast<SPItem*>(item));
diff --git a/src/extension/internal/cdr-input.cpp b/src/extension/internal/cdr-input.cpp
index a26af2078..b94b6d019 100644
--- a/src/extension/internal/cdr-input.cpp
+++ b/src/extension/internal/cdr-input.cpp
@@ -111,11 +111,7 @@ CdrImportDialog::CdrImportDialog(const std::vector<RVNGString> &vec)
      _previewArea = Gtk::manage(new class Gtk::VBox());
      vbox1 = Gtk::manage(new class Gtk::VBox());
      vbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 0);
-#if WITH_GTKMM_3_0
      this->get_content_area()->pack_start(*vbox1);
-#else
-     this->get_vbox()->pack_start(*vbox1);
-#endif
 
      // CONTROLS
 
@@ -137,13 +133,8 @@ CdrImportDialog::CdrImportDialog(const std::vector<RVNGString> &vec)
      g_free(label_text);
 
      // Adjustment + spinner
-#if WITH_GTKMM_3_0
-     Glib::RefPtr<Gtk::Adjustment> _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _vec.size(), 1, 10, 0);
+     auto _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _vec.size(), 1, 10, 0);
      _pageNumberSpin = Gtk::manage(new Gtk::SpinButton(_pageNumberSpin_adj, 1, 0));
-#else
-     Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage(new class Gtk::Adjustment(1, 1, _vec.size(), 1, 10, 0));
-     _pageNumberSpin = Gtk::manage(new Gtk::SpinButton(*_pageNumberSpin_adj, 1, 0));
-#endif
      _pageNumberSpin->set_can_focus();
      _pageNumberSpin->set_update_policy(Gtk::UPDATE_ALWAYS);
      _pageNumberSpin->set_numeric(true);
diff --git a/src/extension/internal/emf-inout.cpp b/src/extension/internal/emf-inout.cpp
index 13520c40b..12751c5ec 100644
--- a/src/extension/internal/emf-inout.cpp
+++ b/src/extension/internal/emf-inout.cpp
@@ -3614,17 +3614,17 @@ Emf::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("EMF Output") "</name>\n"
             "<id>org.inkscape.output.emf</id>\n"
-            "<param name=\"textToPath\" gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToSymbol\" gui-text=\"" N_("Map Unicode to Symbol font") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToWingdings\" gui-text=\"" N_("Map Unicode to Wingdings") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToZapfDingbats\" gui-text=\"" N_("Map Unicode to Zapf Dingbats") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"UsePUA\" gui-text=\"" N_("Use MS Unicode PUA (0xF020-0xF0FF) for converted characters") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTCharPos\" gui-text=\"" N_("Compensate for PPT font bug") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTDashLine\" gui-text=\"" N_("Convert dashed/dotted lines to single lines") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTGrad2Polys\" gui-text=\"" N_("Convert gradients to colored polygon series") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTLinGrad\" gui-text=\"" N_("Use native rectangular linear gradients") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTPatternAsHatch\" gui-text=\"" N_("Map all fill patterns to standard EMF hatches") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixImageRot\" gui-text=\"" N_("Ignore image rotations") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"textToPath\" _gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToSymbol\" _gui-text=\"" N_("Map Unicode to Symbol font") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToWingdings\" _gui-text=\"" N_("Map Unicode to Wingdings") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToZapfDingbats\" _gui-text=\"" N_("Map Unicode to Zapf Dingbats") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"UsePUA\" _gui-text=\"" N_("Use MS Unicode PUA (0xF020-0xF0FF) for converted characters") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTCharPos\" _gui-text=\"" N_("Compensate for PPT font bug") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTDashLine\" _gui-text=\"" N_("Convert dashed/dotted lines to single lines") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTGrad2Polys\" _gui-text=\"" N_("Convert gradients to colored polygon series") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTLinGrad\" _gui-text=\"" N_("Use native rectangular linear gradients") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTPatternAsHatch\" _gui-text=\"" N_("Map all fill patterns to standard EMF hatches") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixImageRot\" _gui-text=\"" N_("Ignore image rotations") "\" type=\"boolean\">false</param>\n"
             "<output>\n"
                 "<extension>.emf</extension>\n"
                 "<mimetype>image/x-emf</mimetype>\n"
diff --git a/src/extension/internal/emf-print.cpp b/src/extension/internal/emf-print.cpp
index 1c85182ae..d4c5d95a3 100644
--- a/src/extension/internal/emf-print.cpp
+++ b/src/extension/internal/emf-print.cpp
@@ -144,7 +144,7 @@ unsigned int PrintEmf::begin(Inkscape::Extension::Print *mod, SPDocument *doc)
     // width and height in px
     _width  = doc->getWidth().value("px");
     _height = doc->getHeight().value("px");
-    _doc_unit_scale = Inkscape::Util::Quantity::convert(1, &doc->getSVGUnit(), "px");
+    _doc_unit_scale = doc->getDocumentScale()[Geom::X];
 
     // initialize a few global variables
     hbrush = hbrushOld = hpen = 0;
@@ -1042,8 +1042,12 @@ void  PrintEmf::do_clip_if_present(SPStyle const *style){
                 /* find the clipping path */
                 Geom::PathVector combined_pathvector;
                 Geom::Affine tfc;   // clipping transform, generally not the same as item transform
-                for(item = SP_ITEM(scp->firstChild()); item; item=SP_ITEM(item->getNext())){
-                    if (SP_IS_GROUP(item)) {      // not implemented 
+                for (auto& child: scp->children) {
+                    item = SP_ITEM(&child);
+                    if (!item) {
+                        break;
+                    }
+                    if (SP_IS_GROUP(item)) {      // not implemented
                         // return sp_group_render(item);
                         combined_pathvector = merge_PathVector_with_group(combined_pathvector, item, tfc);
                     } else if (SP_IS_SHAPE(item)) {                
@@ -1081,7 +1085,11 @@ Geom::PathVector PrintEmf::merge_PathVector_with_group(Geom::PathVector const &c
     new_combined_pathvector = combined_pathvector;
     SPGroup *group = SP_GROUP(item);
     Geom::Affine tfc = item->transform * transform;
-    for(SPItem *item = SP_ITEM(group->firstChild()); item; item=SP_ITEM(item->getNext())){
+    for (auto& child: group->children) {
+        item = SP_ITEM(&child);
+        if (!item) {
+            break;
+        }
         if (SP_IS_GROUP(item)) {
             new_combined_pathvector = merge_PathVector_with_group(new_combined_pathvector, item, tfc); // could be endlessly recursive on a badly formed SVG
         } else if (SP_IS_SHAPE(item)) {                
diff --git a/src/extension/internal/filter/bevels.h b/src/extension/internal/filter/bevels.h
index ea9d537ad..68e94ad3d 100644
--- a/src/extension/internal/filter/bevels.h
+++ b/src/extension/internal/filter/bevels.h
@@ -52,10 +52,10 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Diffuse Light") "</name>\n"
               "<id>org.inkscape.effect.filter.DiffuseLight</id>\n"
-              "<param name=\"smooth\" gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"10\">6</param>\n"
-              "<param name=\"elevation\" gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">25</param>\n"
-              "<param name=\"azimuth\" gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">235</param>\n"
-              "<param name=\"color\" gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
+              "<param name=\"smooth\" _gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"10\">6</param>\n"
+              "<param name=\"elevation\" _gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">25</param>\n"
+              "<param name=\"azimuth\" _gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">235</param>\n"
+              "<param name=\"color\" _gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -132,11 +132,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Matte Jelly") "</name>\n"
               "<id>org.inkscape.effect.filter.MatteJelly</id>\n"
-              "<param name=\"smooth\" gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"10.00\">7</param>\n"
-              "<param name=\"bright\" gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"5.00\">0.9</param>\n"
-              "<param name=\"elevation\" gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">60</param>\n"
-              "<param name=\"azimuth\" gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
-              "<param name=\"color\" gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
+              "<param name=\"smooth\" _gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"10.00\">7</param>\n"
+              "<param name=\"bright\" _gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"5.00\">0.9</param>\n"
+              "<param name=\"elevation\" _gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">60</param>\n"
+              "<param name=\"azimuth\" _gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
+              "<param name=\"color\" _gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -216,11 +216,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Specular Light") "</name>\n"
               "<id>org.inkscape.effect.filter.SpecularLight</id>\n"
-              "<param name=\"smooth\" gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"10\">6</param>\n"
-              "<param name=\"bright\" gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"5\">1</param>\n"
-              "<param name=\"elevation\" gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">45</param>\n"
-              "<param name=\"azimuth\" gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">235</param>\n"
-              "<param name=\"color\" gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
+              "<param name=\"smooth\" _gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"10\">6</param>\n"
+              "<param name=\"bright\" _gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"5\">1</param>\n"
+              "<param name=\"elevation\" _gui-text=\"" N_("Elevation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">45</param>\n"
+              "<param name=\"azimuth\" _gui-text=\"" N_("Azimuth (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">235</param>\n"
+              "<param name=\"color\" _gui-text=\"" N_("Lighting color") "\" type=\"color\">-1</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/filter/blurs.h b/src/extension/internal/filter/blurs.h
index fe1b9c930..77581ed96 100644
--- a/src/extension/internal/filter/blurs.h
+++ b/src/extension/internal/filter/blurs.h
@@ -53,9 +53,9 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Blur") "</name>\n"
               "<id>org.inkscape.effect.filter.Blur</id>\n"
-              "<param name=\"hblur\" gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">2</param>\n"
-              "<param name=\"vblur\" gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">2</param>\n"
-              "<param name=\"content\" gui-text=\"" N_("Blur content only") "\" type=\"boolean\">False</param>\n"
+              "<param name=\"hblur\" _gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">2</param>\n"
+              "<param name=\"vblur\" _gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">2</param>\n"
+              "<param name=\"content\" _gui-text=\"" N_("Blur content only") "\" type=\"boolean\">False</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -124,7 +124,7 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Clean Edges") "</name>\n"
               "<id>org.inkscape.effect.filter.CleanEdges</id>\n"
-              "<param name=\"blur\" gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"2.00\">0.4</param>\n"
+              "<param name=\"blur\" _gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"2.00\">0.4</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -184,11 +184,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Cross Blur") "</name>\n"
               "<id>org.inkscape.effect.filter.CrossBlur</id>\n"
-              "<param name=\"bright\" gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"10.00\">0</param>\n"
-              "<param name=\"fade\" gui-text=\"" N_("Fading") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.00\">0</param>\n"
-              "<param name=\"hblur\" gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">5</param>\n"
-              "<param name=\"vblur\" gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">5</param>\n"
-              "<param name=\"blend\" gui-text=\"" N_("Blend:") "\" type=\"enum\">\n"
+              "<param name=\"bright\" _gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"10.00\">0</param>\n"
+              "<param name=\"fade\" _gui-text=\"" N_("Fading") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.00\">0</param>\n"
+              "<param name=\"hblur\" _gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">5</param>\n"
+              "<param name=\"vblur\" _gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">5</param>\n"
+              "<param name=\"blend\" _gui-text=\"" N_("Blend:") "\" type=\"enum\">\n"
                 "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                 "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                 "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
@@ -259,7 +259,7 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Feather") "</name>\n"
               "<id>org.inkscape.effect.filter.Feather</id>\n"
-              "<param name=\"blur\" gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">5</param>\n"
+              "<param name=\"blur\" _gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">5</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -326,22 +326,22 @@ public:
               "<id>org.inkscape.effect.filter.ImageBlur</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"hblur\" gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">3</param>\n"
-                  "<param name=\"vblur\" gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">3</param>\n"
-                  "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">6</param>\n"
-                  "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">2</param>\n"
-                  "<param name=\"opacity\" gui-text=\"" N_("Opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
+                  "<param name=\"hblur\" _gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">3</param>\n"
+                  "<param name=\"vblur\" _gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">3</param>\n"
+                  "<param name=\"dilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">6</param>\n"
+                  "<param name=\"erosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">2</param>\n"
+                  "<param name=\"opacity\" _gui-text=\"" N_("Opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
                 "</page>\n"
                 "<page name=\"backgroundtab\" _gui-text=\"Background\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Background color") "\" type=\"color\">-1</param>\n"
-                  "<param name=\"blend\" gui-text=\"" N_("Blend type:") "\" type=\"enum\">\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Background color") "\" type=\"color\">-1</param>\n"
+                  "<param name=\"blend\" _gui-text=\"" N_("Blend type:") "\" type=\"enum\">\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                     "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                     "<_item value=\"lighten\">" N_("Lighten") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"background\" gui-text=\"" N_("Blend to background") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"background\" _gui-text=\"" N_("Blend to background") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
diff --git a/src/extension/internal/filter/bumps.h b/src/extension/internal/filter/bumps.h
index b59b1ef50..cbda5ea35 100644
--- a/src/extension/internal/filter/bumps.h
+++ b/src/extension/internal/filter/bumps.h
@@ -81,52 +81,52 @@ public:
               "<id>org.inkscape.effect.filter.Bump</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"simplifyImage\" gui-text=\"" N_("Image simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">0.01</param>\n"
-                  "<param name=\"simplifyBump\" gui-text=\"" N_("Bump simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">0.01</param>\n"
-                  "<param name=\"crop\" gui-text=\"" N_("Crop") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
+                  "<param name=\"simplifyImage\" _gui-text=\"" N_("Image simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">0.01</param>\n"
+                  "<param name=\"simplifyBump\" _gui-text=\"" N_("Bump simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">0.01</param>\n"
+                  "<param name=\"crop\" _gui-text=\"" N_("Crop") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
                   "<_param name=\"sourceHeader\" type=\"description\" appearance=\"header\">" N_("Bump source") "</_param>\n"
-                    "<param name=\"red\" gui-text=\"" N_("Red") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
-                    "<param name=\"green\" gui-text=\"" N_("Green") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
-                    "<param name=\"blue\" gui-text=\"" N_("Blue") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
-                    "<param name=\"background\" gui-text=\"" N_("Bump from background") "\" indent=\"1\" type=\"boolean\">false</param>\n"
+                    "<param name=\"red\" _gui-text=\"" N_("Red") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
+                    "<param name=\"green\" _gui-text=\"" N_("Green") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
+                    "<param name=\"blue\" _gui-text=\"" N_("Blue") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">0</param>\n"
+                    "<param name=\"background\" _gui-text=\"" N_("Bump from background") "\" indent=\"1\" type=\"boolean\">false</param>\n"
                 "</page>\n"
                 "<page name=\"lightingtab\" _gui-text=\"Lighting\">\n"
-                  "<param name=\"lightType\" gui-text=\"" N_("Lighting type:") "\" type=\"enum\">\n"
+                  "<param name=\"lightType\" _gui-text=\"" N_("Lighting type:") "\" type=\"enum\">\n"
                     "<_item value=\"specular\">" N_("Specular") "</_item>\n"
                     "<_item value=\"diffuse\">" N_("Diffuse") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"height\" gui-text=\"" N_("Height") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"50.\">5</param>\n"
-                  "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"5.\">1</param>\n"
-                  "<param name=\"precision\" gui-text=\"" N_("Precision") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"128\">15</param>\n"
-                  "<param name=\"lightingColor\" gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
+                  "<param name=\"height\" _gui-text=\"" N_("Height") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"50.\">5</param>\n"
+                  "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"5.\">1</param>\n"
+                  "<param name=\"precision\" _gui-text=\"" N_("Precision") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"128\">15</param>\n"
+                  "<param name=\"lightingColor\" _gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
                 "</page>\n"
                 "<page name=\"lightsourcetab\" _gui-text=\"" N_("Light source") "\">\n"
-                  "<param name=\"lightSource\" gui-text=\"" N_("Light source:") "\" type=\"enum\">\n"
+                  "<param name=\"lightSource\" _gui-text=\"" N_("Light source:") "\" type=\"enum\">\n"
                     "<_item value=\"distant\">" N_("Distant") "</_item>\n"
                     "<_item value=\"point\">" N_("Point") "</_item>\n"
                     "<_item value=\"spot\">" N_("Spot") "</_item>\n"
                   "</param>\n"
                   "<_param name=\"distantHeader\" type=\"description\" appearance=\"header\">" N_("Distant light options") "</_param>\n"
-                    "<param name=\"distantAzimuth\" gui-text=\"" N_("Azimuth") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
-                    "<param name=\"distantElevation\" gui-text=\"" N_("Elevation") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"180\">45</param>\n"
+                    "<param name=\"distantAzimuth\" _gui-text=\"" N_("Azimuth") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
+                    "<param name=\"distantElevation\" _gui-text=\"" N_("Elevation") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"180\">45</param>\n"
                   "<_param name=\"pointHeader\" type=\"description\" appearance=\"header\">" N_("Point light options") "</_param>\n"
-                    "<param name=\"pointX\" gui-text=\"" N_("X location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">526</param>\n"
-                    "<param name=\"pointY\" gui-text=\"" N_("Y location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">372</param>\n"
-                    "<param name=\"pointZ\" gui-text=\"" N_("Z location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"5000\">150</param>\n"
+                    "<param name=\"pointX\" _gui-text=\"" N_("X location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">526</param>\n"
+                    "<param name=\"pointY\" _gui-text=\"" N_("Y location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">372</param>\n"
+                    "<param name=\"pointZ\" _gui-text=\"" N_("Z location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"5000\">150</param>\n"
                   "<_param name=\"spotHeader\" type=\"description\" appearance=\"header\">" N_("Spot light options") "</_param>\n"
-                    "<param name=\"spotX\" gui-text=\"" N_("X location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">526</param>\n"
-                    "<param name=\"spotY\" gui-text=\"" N_("Y location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">372</param>\n"
-                    "<param name=\"spotZ\" gui-text=\"" N_("Z location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">150</param>\n"
-                    "<param name=\"spotAtX\" gui-text=\"" N_("X target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">0</param>\n"
-                    "<param name=\"spotAtY\" gui-text=\"" N_("Y target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">0</param>\n"
-                    "<param name=\"spotAtZ\" gui-text=\"" N_("Z target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"0\">-1000</param>\n"
-                    "<param name=\"spotExponent\" gui-text=\"" N_("Specular exponent") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"100\">1</param>\n"
-                    "<param name=\"spotConeAngle\" gui-text=\"" N_("Cone angle") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"100\">50</param>\n"
+                    "<param name=\"spotX\" _gui-text=\"" N_("X location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">526</param>\n"
+                    "<param name=\"spotY\" _gui-text=\"" N_("Y location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">372</param>\n"
+                    "<param name=\"spotZ\" _gui-text=\"" N_("Z location") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">150</param>\n"
+                    "<param name=\"spotAtX\" _gui-text=\"" N_("X target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">0</param>\n"
+                    "<param name=\"spotAtY\" _gui-text=\"" N_("Y target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"5000\">0</param>\n"
+                    "<param name=\"spotAtZ\" _gui-text=\"" N_("Z target") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"-5000\" max=\"0\">-1000</param>\n"
+                    "<param name=\"spotExponent\" _gui-text=\"" N_("Specular exponent") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"100\">1</param>\n"
+                    "<param name=\"spotConeAngle\" _gui-text=\"" N_("Cone angle") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"100\">50</param>\n"
                 "</page>\n"
                 "<page name=\"colortab\" _gui-text=\"Color bump\">\n"
-                  "<param name=\"imageColor\" gui-text=\"" N_("Image color") "\" type=\"color\">-987158017</param>\n"
-                  "<param name=\"colorize\" gui-text=\"" N_("Color bump") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"blend\" gui-text=\"" N_("Blend type:") "\" type=\"enum\">\n"
+                  "<param name=\"imageColor\" _gui-text=\"" N_("Image color") "\" type=\"color\">-987158017</param>\n"
+                  "<param name=\"colorize\" _gui-text=\"" N_("Color bump") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"blend\" _gui-text=\"" N_("Blend type:") "\" type=\"enum\">\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
@@ -310,35 +310,35 @@ public:
               "<id>org.inkscape.effect.filter.WaxBump</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"simplifyImage\" gui-text=\"" N_("Image simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1.5</param>\n"
-                  "<param name=\"simplifyBump\" gui-text=\"" N_("Bump simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1</param>\n"
-                  "<param name=\"crop\" gui-text=\"" N_("Crop") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
+                  "<param name=\"simplifyImage\" _gui-text=\"" N_("Image simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1.5</param>\n"
+                  "<param name=\"simplifyBump\" _gui-text=\"" N_("Bump simplification") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1</param>\n"
+                  "<param name=\"crop\" _gui-text=\"" N_("Crop") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
                   "<_param name=\"sourceHeader\" type=\"description\" appearance=\"header\">" N_("Bump source") "</_param>\n"
-                    "<param name=\"red\" gui-text=\"" N_("Red") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
-                    "<param name=\"green\" gui-text=\"" N_("Green") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
-                    "<param name=\"blue\" gui-text=\"" N_("Blue") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
-                    "<param name=\"background\" gui-text=\"" N_("Background:") "\" type=\"enum\">\n"
+                    "<param name=\"red\" _gui-text=\"" N_("Red") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
+                    "<param name=\"green\" _gui-text=\"" N_("Green") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
+                    "<param name=\"blue\" _gui-text=\"" N_("Blue") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0</param>\n"
+                    "<param name=\"background\" _gui-text=\"" N_("Background:") "\" type=\"enum\">\n"
                       "<_item value=\"flood1\">" N_("Color") "</_item>\n"
                       "<_item value=\"SourceGraphic\">" N_("Image") "</_item>\n"
                       "<_item value=\"blur1\">" N_("Blurred image") "</_item>\n"
                     "</param>\n"
-                    "<param name=\"bgopacity\" gui-text=\"" N_("Background opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">0</param>\n"
+                    "<param name=\"bgopacity\" _gui-text=\"" N_("Background opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">0</param>\n"
                 "</page>\n"
                 "<page name=\"lightingtab\" _gui-text=\"" N_("Lighting") "\">\n"
-                  "<param name=\"lightingColor\" gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
-                  "<param name=\"height\" gui-text=\"" N_("Height") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">5</param>\n"
-                  "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10.\">1.4</param>\n"
-                  "<param name=\"precision\" gui-text=\"" N_("Precision") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"50\">35</param>\n"
-                  "<param name=\"distantAzimuth\" gui-text=\"" N_("Azimuth") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
-                  "<param name=\"distantElevation\" gui-text=\"" N_("Elevation") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"180\">60</param>\n"
-                  "<param name=\"lightingblend\" gui-text=\"" N_("Lighting blend:") "\" type=\"enum\">\n"
+                  "<param name=\"lightingColor\" _gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
+                  "<param name=\"height\" _gui-text=\"" N_("Height") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-50.\" max=\"50.\">5</param>\n"
+                  "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10.\">1.4</param>\n"
+                  "<param name=\"precision\" _gui-text=\"" N_("Precision") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"50\">35</param>\n"
+                  "<param name=\"distantAzimuth\" _gui-text=\"" N_("Azimuth") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"360\">225</param>\n"
+                  "<param name=\"distantElevation\" _gui-text=\"" N_("Elevation") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"180\">60</param>\n"
+                  "<param name=\"lightingblend\" _gui-text=\"" N_("Lighting blend:") "\" type=\"enum\">\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                     "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                     "<_item value=\"lighten\">" N_("Lighten") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"highlightblend\" gui-text=\"" N_("Highlight blend:") "\" type=\"enum\">\n"
+                  "<param name=\"highlightblend\" _gui-text=\"" N_("Highlight blend:") "\" type=\"enum\">\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
@@ -347,9 +347,9 @@ public:
                   "</param>\n"
                 "</page>\n"
                 "<page name=\"colortab\" _gui-text=\"Bump\">\n"
-                  "<param name=\"imageColor\" gui-text=\"" N_("Bump color") "\" type=\"color\">-520083713</param>\n"
-                  "<param name=\"revert\" gui-text=\"" N_("Revert bump") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"transparency\" gui-text=\"" N_("Transparency type:") "\" type=\"enum\">\n"
+                  "<param name=\"imageColor\" _gui-text=\"" N_("Bump color") "\" type=\"color\">-520083713</param>\n"
+                  "<param name=\"revert\" _gui-text=\"" N_("Revert bump") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"transparency\" _gui-text=\"" N_("Transparency type:") "\" type=\"enum\">\n"
                     "<_item value=\"atop\">" N_("Atop") "</_item>\n"
                     "<_item value=\"in\">" N_("In") "</_item>\n"
                   "</param>\n"
diff --git a/src/extension/internal/filter/color.h b/src/extension/internal/filter/color.h
index b9c76615c..a6b777d20 100644
--- a/src/extension/internal/filter/color.h
+++ b/src/extension/internal/filter/color.h
@@ -72,10 +72,10 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Brilliance") "</name>\n"
               "<id>org.inkscape.effect.filter.Brilliance</id>\n"
-              "<param name=\"brightness\" gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"10.00\">2</param>\n"
-              "<param name=\"sat\" gui-text=\"" N_("Over-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.0\" max=\"10.00\">0.5</param>\n"
-              "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0</param>\n"
-              "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"brightness\" _gui-text=\"" N_("Brightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"10.00\">2</param>\n"
+              "<param name=\"sat\" _gui-text=\"" N_("Over-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.0\" max=\"10.00\">0.5</param>\n"
+              "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0</param>\n"
+              "<param name=\"invert\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -154,15 +154,15 @@ public:
               "<id>org.inkscape.effect.filter.ChannelPaint</id>\n"
                 "<param name=\"tab\" type=\"notebook\">\n"
                   "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                    "<param name=\"saturation\" gui-text=\"" N_("Saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
-                    "<param name=\"red\" gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-1</param>\n"
-                    "<param name=\"green\" gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
-                    "<param name=\"blue\" gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
-                    "<param name=\"alpha\" gui-text=\"" N_("Alpha") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
-                    "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+                    "<param name=\"saturation\" _gui-text=\"" N_("Saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
+                    "<param name=\"red\" _gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-1</param>\n"
+                    "<param name=\"green\" _gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
+                    "<param name=\"blue\" _gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
+                    "<param name=\"alpha\" _gui-text=\"" N_("Alpha") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
+                    "<param name=\"invert\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
                   "</page>\n"
                   "<page name=\"colortab\" _gui-text=\"Color\">\n"
-                    "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">16777215</param>\n"
+                    "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">16777215</param>\n"
                   "</page>\n"
                 "</param>\n"
               "<effect>\n"
@@ -255,7 +255,7 @@ public:
               "<id>org.inkscape.effect.filter.ColorBlindness</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"type\" gui-text=\"" N_("Blindness type:") "\" type=\"enum\">\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Blindness type:") "\" type=\"enum\">\n"
                     "<_item value=\"0.618 0.32 0.062 0 0 0.163 0.775 0.062 0 0 0.163 0.32 0.516 0 0 0 0 0 1 0 \">" N_("Rod monochromacy (atypical achromatopsia)") "</_item>\n"
                     "<_item value=\"0.299 0.587 0.114 0 0 0.299 0.587 0.114 0 0 0.299 0.587 0.114 0 0 0 0 0 1 0 \">" N_("Cone monochromacy (typical achromatopsia)") "</_item>\n"
                     "<_item value=\"0.8 0.2 0 0 0 0.2583 0.74167 0 0 0 0 0.14167 0.85833 0 0 0 0 0 1 0 \">" N_("Green weak (deuteranomaly)") "</_item>\n"
@@ -328,8 +328,8 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Color Shift") "</name>\n"
               "<id>org.inkscape.effect.filter.ColorShift</id>\n"
-              "<param name=\"shift\" gui-text=\"" N_("Shift (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">330</param>\n"
-              "<param name=\"sat\" gui-text=\"" N_("Saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1\">0.6</param>\n"
+              "<param name=\"shift\" _gui-text=\"" N_("Shift (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">330</param>\n"
+              "<param name=\"sat\" _gui-text=\"" N_("Saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1\">0.6</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -393,17 +393,17 @@ public:
                 "<id>org.inkscape.effect.filter.Colorize</id>\n"
                 "<param name=\"tab\" type=\"notebook\">\n"
                   "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                    "<param name=\"hlight\" gui-text=\"" N_("Harsh light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">0</param>\n"
-                    "<param name=\"nlight\" gui-text=\"" N_("Normal light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">1</param>\n"
-                    "<param name=\"duotone\" gui-text=\"" N_("Duotone") "\" type=\"boolean\" >false</param>\n"
-                    "<param name=\"blend1\" gui-text=\"" N_("Blend 1:") "\" type=\"enum\">\n"
+                    "<param name=\"hlight\" _gui-text=\"" N_("Harsh light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">0</param>\n"
+                    "<param name=\"nlight\" _gui-text=\"" N_("Normal light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">1</param>\n"
+                    "<param name=\"duotone\" _gui-text=\"" N_("Duotone") "\" type=\"boolean\" >false</param>\n"
+                    "<param name=\"blend1\" _gui-text=\"" N_("Blend 1:") "\" type=\"enum\">\n"
                       "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                       "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                       "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                       "<_item value=\"lighten\">" N_("Lighten") "</_item>\n"
                       "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                     "</param>\n"
-                    "<param name=\"blend2\" gui-text=\"" N_("Blend 2:") "\" type=\"enum\">\n"
+                    "<param name=\"blend2\" _gui-text=\"" N_("Blend 2:") "\" type=\"enum\">\n"
                       "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                       "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                       "<_item value=\"normal\">" N_("Normal") "</_item>\n"
@@ -412,7 +412,7 @@ public:
                     "</param>\n"
                   "</page>\n"
                   "<page name=\"colortab\" _gui-text=\"Color\">\n"
-                    "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">-1639776001</param>\n"
+                    "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">-1639776001</param>\n"
                   "</page>\n"
                 "</param>\n"
                 "<effect>\n"
@@ -498,7 +498,7 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Component Transfer") "</name>\n"
               "<id>org.inkscape.effect.filter.ComponentTransfer</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
                 "<_item value=\"identity\">" N_("Identity") "</_item>\n"
                 "<_item value=\"table\">" N_("Table") "</_item>\n"
                 "<_item value=\"discrete\">" N_("Discrete") "</_item>\n"
@@ -585,8 +585,8 @@ public:
               "<id>org.inkscape.effect.filter.Duochrome</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"fluo\" gui-text=\"" N_("Fluorescence level") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"2\">0</param>\n"
-                  "<param name=\"swap\" gui-text=\"" N_("Swap:") "\" type=\"enum\">\n"
+                  "<param name=\"fluo\" _gui-text=\"" N_("Fluorescence level") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"2\">0</param>\n"
+                  "<param name=\"swap\" _gui-text=\"" N_("Swap:") "\" type=\"enum\">\n"
                     "<_item value=\"none\">" N_("No swap") "</_item>\n"
                     "<_item value=\"full\">" N_("Color and alpha") "</_item>\n"
                     "<_item value=\"color\">" N_("Color only") "</_item>\n"
@@ -594,10 +594,10 @@ public:
                   "</param>\n"
                 "</page>\n"
                 "<page name=\"co11tab\" _gui-text=\"Color 1\">\n"
-                  "<param name=\"color1\" gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
+                  "<param name=\"color1\" _gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
                 "</page>\n"
                 "<page name=\"co12tab\" _gui-text=\"Color 2\">\n"
-                  "<param name=\"color2\" gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
+                  "<param name=\"color2\" _gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
@@ -708,7 +708,7 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Extract Channel") "</name>\n"
               "<id>org.inkscape.effect.filter.ExtractChannel</id>\n"
-              "<param name=\"source\" gui-text=\"" N_("Channel:") "\" type=\"enum\">\n"
+              "<param name=\"source\" _gui-text=\"" N_("Channel:") "\" type=\"enum\">\n"
                 "<_item value=\"r\">" N_("Red") "</_item>\n"
                 "<_item value=\"g\">" N_("Green") "</_item>\n"
                 "<_item value=\"b\">" N_("Blue") "</_item>\n"
@@ -716,12 +716,12 @@ public:
                 "<_item value=\"m\">" N_("Magenta") "</_item>\n"
                 "<_item value=\"y\">" N_("Yellow") "</_item>\n"
               "</param>\n"
-              "<param name=\"blend\" gui-text=\"" N_("Background blend mode:") "\" type=\"enum\">\n"
+              "<param name=\"blend\" _gui-text=\"" N_("Background blend mode:") "\" type=\"enum\">\n"
                 "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                 "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                 "<_item value=\"screen\">" N_("Screen") "</_item>\n"
               "</param>\n"
-              "<param name=\"alpha\" gui-text=\"" N_("Channel to alpha") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"alpha\" _gui-text=\"" N_("Channel to alpha") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -814,8 +814,8 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Fade to Black or White") "</name>\n"
               "<id>org.inkscape.effect.filter.FadeToBW</id>\n"
-              "<param name=\"level\" gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
-              "<param name=\"fadeto\" gui-text=\"" N_("Fade to:") "\" type=\"enum\">\n"
+              "<param name=\"level\" _gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
+              "<param name=\"fadeto\" _gui-text=\"" N_("Fade to:") "\" type=\"enum\">\n"
                 "<_item value=\"black\">" N_("Black") "</_item>\n"
                 "<_item value=\"white\">" N_("White") "</_item>\n"
               "</param>\n"
@@ -893,11 +893,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Greyscale") "</name>\n"
               "<id>org.inkscape.effect.filter.Greyscale</id>\n"
-              "<param name=\"red\" gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.21</param>\n"
-              "<param name=\"green\" gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.72</param>\n"
-              "<param name=\"blue\" gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.072</param>\n"
-              "<param name=\"strength\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0</param>\n"
-              "<param name=\"transparent\" gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"red\" _gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.21</param>\n"
+              "<param name=\"green\" _gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.72</param>\n"
+              "<param name=\"blue\" _gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.072</param>\n"
+              "<param name=\"strength\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0</param>\n"
+              "<param name=\"transparent\" _gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -979,16 +979,16 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Invert") "</name>\n"
               "<id>org.inkscape.effect.filter.Invert</id>\n"
-              "<param name=\"channels\" gui-text=\"" N_("Invert channels:") "\" type=\"enum\">\n"
+              "<param name=\"channels\" _gui-text=\"" N_("Invert channels:") "\" type=\"enum\">\n"
                 "<_item value=\"0\">" N_("No inversion") "</_item>\n"
                 "<_item value=\"1\">" N_("Red and blue") "</_item>\n"
                 "<_item value=\"2\">" N_("Red and green") "</_item>\n"
                 "<_item value=\"3\">" N_("Green and blue") "</_item>\n"
               "</param>\n"
-              "<param name=\"opacify\" gui-text=\"" N_("Light transparency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1\">0</param>\n"
-              "<param name=\"hue\" gui-text=\"" N_("Invert hue") "\" type=\"boolean\" >false</param>\n"
-              "<param name=\"lightness\" gui-text=\"" N_("Invert lightness") "\" type=\"boolean\" >false</param>\n"
-              "<param name=\"transparency\" gui-text=\"" N_("Invert transparency") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"opacify\" _gui-text=\"" N_("Light transparency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1\">0</param>\n"
+              "<param name=\"hue\" _gui-text=\"" N_("Invert hue") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"lightness\" _gui-text=\"" N_("Invert lightness") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"transparency\" _gui-text=\"" N_("Invert transparency") "\" type=\"boolean\" >false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -1114,9 +1114,9 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Lighting") "</name>\n"
               "<id>org.inkscape.effect.filter.Lighting</id>\n"
-              "<param name=\"amplitude\" gui-text=\"" N_("Lights") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"20.00\">1</param>\n"
-              "<param name=\"exponent\" gui-text=\"" N_("Shadows") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"20.00\">1</param>\n"
-              "<param name=\"offset\" gui-text=\"" N_("Offset") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-1.00\" max=\"1.00\">0</param>\n"
+              "<param name=\"amplitude\" _gui-text=\"" N_("Lights") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"20.00\">1</param>\n"
+              "<param name=\"exponent\" _gui-text=\"" N_("Shadows") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"20.00\">1</param>\n"
+              "<param name=\"offset\" _gui-text=\"" N_("Offset") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-1.00\" max=\"1.00\">0</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -1185,8 +1185,8 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Lightness-Contrast") "</name>\n"
               "<id>org.inkscape.effect.filter.LightnessContrast</id>\n"
-              "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-100\" max=\"100\">0</param>\n"
-              "<param name=\"contrast\" gui-text=\"" N_("Contrast") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-100\" max=\"100\">0</param>\n"
+              "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-100\" max=\"100\">0</param>\n"
+              "<param name=\"contrast\" _gui-text=\"" N_("Contrast") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-100\" max=\"100\">0</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -1267,17 +1267,17 @@ public:
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"offsettab\" _gui-text=\"Offset\">\n"
                   "<_param name=\"redOffset\" type=\"description\" appearance=\"header\">" N_("Red offset") "</_param>\n"
-                    "<param name=\"rx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
-                    "<param name=\"ry\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
+                    "<param name=\"rx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
+                    "<param name=\"ry\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
                 "<_param name=\"greenOffset\" type=\"description\" appearance=\"header\">" N_("Green offset") "</_param>\n"
-                    "<param name=\"gx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">6</param>\n"
-                    "<param name=\"gy\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">7</param>\n"
+                    "<param name=\"gx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">6</param>\n"
+                    "<param name=\"gy\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">7</param>\n"
                   "<_param name=\"redOffset\" type=\"description\" appearance=\"header\">" N_("Blue offset") "</_param>\n"
-                    "<param name=\"bx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">1</param>\n"
-                    "<param name=\"by\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-16</param>\n"
+                    "<param name=\"bx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">1</param>\n"
+                    "<param name=\"by\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-16</param>\n"
                 "</page>\n"
                 "<page name=\"coltab\" _gui-text=\"Color\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Background color") "\" type=\"color\">255</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Background color") "\" type=\"color\">255</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
@@ -1379,17 +1379,17 @@ public:
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"offsettab\" _gui-text=\"Offset\">\n"
                   "<_param name=\"cyanOffset\" type=\"description\" appearance=\"header\">" N_("Cyan offset") "</_param>\n"
-                    "<param name=\"cx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
-                    "<param name=\"cy\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
+                    "<param name=\"cx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
+                    "<param name=\"cy\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-6</param>\n"
                 "<_param name=\"magentaOffset\" type=\"description\" appearance=\"header\">" N_("Magenta offset") "</_param>\n"
-                    "<param name=\"mx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">6</param>\n"
-                    "<param name=\"my\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">7</param>\n"
+                    "<param name=\"mx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">6</param>\n"
+                    "<param name=\"my\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">7</param>\n"
                   "<_param name=\"yellowOffset\" type=\"description\" appearance=\"header\">" N_("Yellow offset") "</_param>\n"
-                    "<param name=\"yx\" gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">1</param>\n"
-                    "<param name=\"yy\" gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-16</param>\n"
+                    "<param name=\"yx\" _gui-text=\"" N_("X") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">1</param>\n"
+                    "<param name=\"yy\" _gui-text=\"" N_("Y") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-100.\" max=\"100.\">-16</param>\n"
                 "</page>\n"
                 "<page name=\"coltab\" _gui-text=\"Color\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Background color") "\" type=\"color\">-1</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Background color") "\" type=\"color\">-1</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
@@ -1482,15 +1482,15 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Quadritone fantasy") "</name>\n"
               "<id>org.inkscape.effect.filter.Quadritone</id>\n"
-                "<param name=\"dist\" gui-text=\"" N_("Hue distribution (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">280</param>\n"
-                "<param name=\"colors\" gui-text=\"" N_("Colors") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">100</param>\n"
-                "<param name=\"blend1\" gui-text=\"" N_("Blend 1:") "\" type=\"enum\">\n"
+                "<param name=\"dist\" _gui-text=\"" N_("Hue distribution (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">280</param>\n"
+                "<param name=\"colors\" _gui-text=\"" N_("Colors") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">100</param>\n"
+                "<param name=\"blend1\" _gui-text=\"" N_("Blend 1:") "\" type=\"enum\">\n"
                   "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                   "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                   "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                 "</param>\n"
-                "<param name=\"sat\" gui-text=\"" N_("Over-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\"  min=\"0.00\" max=\"1.00\">0</param>\n"
-                "<param name=\"blend2\" gui-text=\"" N_("Blend 2:") "\" type=\"enum\">\n"
+                "<param name=\"sat\" _gui-text=\"" N_("Over-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\"  min=\"0.00\" max=\"1.00\">0</param>\n"
+                "<param name=\"blend2\" _gui-text=\"" N_("Blend 2:") "\" type=\"enum\">\n"
                   "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                   "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                   "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
@@ -1568,8 +1568,8 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Solarize") "</name>\n"
               "<id>org.inkscape.effect.filter.Solarize</id>\n"
-              "<param name=\"rotate\" gui-text=\"" N_("Hue rotation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">0</param>\n"
-              "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
+              "<param name=\"rotate\" _gui-text=\"" N_("Hue rotation (°)") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">0</param>\n"
+              "<param name=\"type\" _gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
                 "<_item value=\"solarize\">" N_("Solarize") "</_item>\n"
                 "<_item value=\"moonarize\">" N_("Moonarize") "</_item>\n"
               "</param>\n"
@@ -1657,31 +1657,31 @@ public:
               "<id>org.inkscape.effect.filter.Tritone</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"enhue\">" N_("Enhance hue") "</_item>\n"
                     "<_item value=\"phospho\">" N_("Phosphorescence") "</_item>\n"
                     "<_item value=\"phosphoB\">" N_("Colored nights") "</_item>\n"
                     "<_item value=\"htb\">" N_("Hue to background") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"globalblend\" gui-text=\"" N_("Global blend:") "\" type=\"enum\">\n"
+                  "<param name=\"globalblend\" _gui-text=\"" N_("Global blend:") "\" type=\"enum\">\n"
                     "<_item value=\"lighten\">" N_("Lighten") "</_item>\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                     "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"glow\" gui-text=\"" N_("Glow") "\" type=\"float\" appearance=\"full\" min=\"0.01\" max=\"10\">0.01</param>\n"
-                  "<param name=\"glowblend\" gui-text=\"" N_("Glow blend:") "\" type=\"enum\">\n"
+                  "<param name=\"glow\" _gui-text=\"" N_("Glow") "\" type=\"float\" appearance=\"full\" min=\"0.01\" max=\"10\">0.01</param>\n"
+                  "<param name=\"glowblend\" _gui-text=\"" N_("Glow blend:") "\" type=\"enum\">\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"llight\" gui-text=\"" N_("Local light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">0</param>\n"
-                  "<param name=\"glight\" gui-text=\"" N_("Global light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">1</param>\n"
+                  "<param name=\"llight\" _gui-text=\"" N_("Local light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">0</param>\n"
+                  "<param name=\"glight\" _gui-text=\"" N_("Global light") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"10\">1</param>\n"
                 "</page>\n"
                 "<page name=\"co1tab\" _gui-text=\"Color\">\n"
-                  "<param name=\"dist\" gui-text=\"" N_("Hue distribution (°):") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">0</param>\n"
-                  "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">-73203457</param>\n"
+                  "<param name=\"dist\" _gui-text=\"" N_("Hue distribution (°):") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"360\">0</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">-73203457</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
diff --git a/src/extension/internal/filter/distort.h b/src/extension/internal/filter/distort.h
index 586d34226..56aab51f5 100644
--- a/src/extension/internal/filter/distort.h
+++ b/src/extension/internal/filter/distort.h
@@ -66,29 +66,29 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Felt Feather") "</name>\n"
               "<id>org.inkscape.effect.filter.FeltFeather</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
                 "<_item value=\"in\">" N_("In") "</_item>\n"
                 "<_item value=\"out\">" N_("Out") "</_item>\n"
               "</param>\n"
-              "<param name=\"hblur\" gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
-              "<param name=\"vblur\" gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
-              "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">1</param>\n"
-              "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">0</param>\n"
-              "<param name=\"stroke\" gui-text=\"" N_("Stroke:") "\" type=\"enum\">\n"
+              "<param name=\"hblur\" _gui-text=\"" N_("Horizontal blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
+              "<param name=\"vblur\" _gui-text=\"" N_("Vertical blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">15</param>\n"
+              "<param name=\"dilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">1</param>\n"
+              "<param name=\"erosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">0</param>\n"
+              "<param name=\"stroke\" _gui-text=\"" N_("Stroke:") "\" type=\"enum\">\n"
                 "<_item value=\"atop\">" N_("Normal") "</_item>\n"
                 "<_item value=\"over\">" N_("Wide") "</_item>\n"
                 "<_item value=\"in\">" N_("Narrow") "</_item>\n"
                 "<_item value=\"xor\">" N_("No fill") "</_item>\n"
               "</param>\n"
-              "<param name=\"turbulence\" indent=\"1\" gui-text=\"" N_("Turbulence:") "\" type=\"enum\">\n"
+              "<param name=\"turbulence\" indent=\"1\" _gui-text=\"" N_("Turbulence:") "\" type=\"enum\">\n"
                 "<_item value=\"fractalNoise\">" N_("Fractal noise") "</_item>\n"
                 "<_item value=\"turbulence\">" N_("Turbulence") "</_item>\n"
               "</param>\n"
-              "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
-              "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
-              "<param name=\"complexity\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">3</param>\n"
-              "<param name=\"variation\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"100\">0</param>\n"
-              "<param name=\"intensity\" gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"100\">30</param>\n"
+              "<param name=\"hfreq\" _gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
+              "<param name=\"vfreq\" _gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.\">5</param>\n"
+              "<param name=\"complexity\" _gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">3</param>\n"
+              "<param name=\"variation\" _gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"100\">0</param>\n"
+              "<param name=\"intensity\" _gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"100\">30</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -189,15 +189,15 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Roughen") "</name>\n"
               "<id>org.inkscape.effect.filter.Roughen</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
                 "<_item value=\"fractalNoise\">" N_("Fractal noise") "</_item>\n"
                 "<_item value=\"turbulence\">" N_("Turbulence") "</_item>\n"
               "</param>\n"
-              "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
-              "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
-              "<param name=\"complexity\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">5</param>\n"
-              "<param name=\"variation\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"360\">0</param>\n"
-              "<param name=\"intensity\" gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"50\">6.6</param>\n"
+              "<param name=\"hfreq\" _gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
+              "<param name=\"vfreq\" _gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"1000.00\">1.3</param>\n"
+              "<param name=\"complexity\" _gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">5</param>\n"
+              "<param name=\"variation\" _gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"360\">0</param>\n"
+              "<param name=\"intensity\" _gui-text=\"" N_("Intensity") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"50\">6.6</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/filter/filter.cpp b/src/extension/internal/filter/filter.cpp
index 25e89bbf3..0907845f8 100644
--- a/src/extension/internal/filter/filter.cpp
+++ b/src/extension/internal/filter/filter.cpp
@@ -125,7 +125,7 @@ void Filter::effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::Vie
     Inkscape::Selection * selection = ((SPDesktop *)document)->selection;
 
     // TODO need to properly refcount the items, at least
-    std::vector<SPItem*> items(selection->itemList());
+    std::vector<SPItem*> items(selection->items().begin(), selection->items().end());
 
 	Inkscape::XML::Document * xmldoc = document->doc()->getReprDoc();
 	Inkscape::XML::Node * defsrepr = document->doc()->getDefs()->getRepr();
diff --git a/src/extension/internal/filter/image.h b/src/extension/internal/filter/image.h
index 00cd2cf21..868588f80 100644
--- a/src/extension/internal/filter/image.h
+++ b/src/extension/internal/filter/image.h
@@ -48,13 +48,13 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Edge Detect") "</name>\n"
               "<id>org.inkscape.effect.filter.EdgeDetect</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Detect:") "\" type=\"enum\" >\n"
+              "<param name=\"type\" _gui-text=\"" N_("Detect:") "\" type=\"enum\" >\n"
                 "<_item value=\"all\">" N_("All") "</_item>\n"
                 "<_item value=\"vertical\">" N_("Vertical lines") "</_item>\n"
                 "<_item value=\"horizontal\">" N_("Horizontal lines") "</_item>\n"
               "</param>\n"
-              "<param name=\"level\" gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" min=\"0.1\" max=\"100.0\">1.0</param>\n"
-              "<param name=\"inverted\" gui-text=\"" N_("Invert colors") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"level\" _gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" min=\"0.1\" max=\"100.0\">1.0</param>\n"
+              "<param name=\"inverted\" _gui-text=\"" N_("Invert colors") "\" type=\"boolean\" >false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/filter/morphology.h b/src/extension/internal/filter/morphology.h
index 7e10884a1..e1785f7d3 100644
--- a/src/extension/internal/filter/morphology.h
+++ b/src/extension/internal/filter/morphology.h
@@ -57,17 +57,17 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Cross-smooth") "</name>\n"
               "<id>org.inkscape.effect.filter.crosssmooth</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
                 "<_item value=\"in\">" N_("Inner") "</_item>\n"
                 "<_item value=\"over\">" N_("Outer") "</_item>\n"
                 "<_item value=\"xor\">" N_("Open") "</_item>\n"
               "</param>\n"
-              "<param name=\"width\" gui-text=\"" N_("Width") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.\">10</param>\n"
-              "<param name=\"level\" gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.2\" max=\"2\">1</param>\n"
-              "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">10</param>\n"
-              "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">1</param>\n"
-              "<param name=\"antialias\" gui-text=\"" N_("Antialiasing") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"1\">1</param>\n"
-              "<param name=\"content\" gui-text=\"" N_("Blur content") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"width\" _gui-text=\"" N_("Width") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.\">10</param>\n"
+              "<param name=\"level\" _gui-text=\"" N_("Level") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.2\" max=\"2\">1</param>\n"
+              "<param name=\"dilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">10</param>\n"
+              "<param name=\"erosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">1</param>\n"
+              "<param name=\"antialias\" _gui-text=\"" N_("Antialiasing") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"1\">1</param>\n"
+              "<param name=\"content\" _gui-text=\"" N_("Blur content") "\" type=\"boolean\" >false</param>\n"
 
               "<effect>\n"
                 "<object-type>all</object-type>\n"
@@ -167,33 +167,33 @@ public:
               "<id>org.inkscape.effect.filter.Outline</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"fill\" gui-text=\"" N_("Fill image") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"outline\" gui-text=\"" N_("Hide image") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"type\" gui-text=\"" N_("Composite type:") "\" type=\"enum\">\n"
+                  "<param name=\"fill\" _gui-text=\"" N_("Fill image") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"outline\" _gui-text=\"" N_("Hide image") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Composite type:") "\" type=\"enum\">\n"
                     "<_item value=\"over\">" N_("Over") "</_item>\n"
                     "<_item value=\"in\">" N_("In") "</_item>\n"
                     "<_item value=\"out\">" N_("Out") "</_item>\n"
                     "<_item value=\"atop\">" N_("Atop") "</_item>\n"
                     "<_item value=\"xor\">" N_("XOR") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"position\" gui-text=\"" N_("Position:") "\" type=\"enum\">\n"
+                  "<param name=\"position\" _gui-text=\"" N_("Position:") "\" type=\"enum\">\n"
                     "<_item value=\"inside\">" N_("Inside") "</_item>\n"
                     "<_item value=\"outside\">" N_("Outside") "</_item>\n"
                     "<_item value=\"overlayed\">" N_("Overlayed") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"width1\" gui-text=\"" N_("Width 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">4</param>\n"
-                  "<param name=\"dilat1\" gui-text=\"" N_("Dilatation 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">100</param>\n"
-                  "<param name=\"erosion1\" gui-text=\"" N_("Erosion 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">1</param>\n"
-                  "<param name=\"width2\" gui-text=\"" N_("Width 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.5</param>\n"
-                  "<param name=\"dilat2\" gui-text=\"" N_("Dilatation 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">50</param>\n"
-                  "<param name=\"erosion2\" gui-text=\"" N_("Erosion 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">5</param>\n"
-                  "<param name=\"antialias\" gui-text=\"" N_("Antialiasing") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"1\">1</param>\n"
-                  "<param name=\"smooth\" gui-text=\"" N_("Smooth") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"width1\" _gui-text=\"" N_("Width 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">4</param>\n"
+                  "<param name=\"dilat1\" _gui-text=\"" N_("Dilatation 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">100</param>\n"
+                  "<param name=\"erosion1\" _gui-text=\"" N_("Erosion 1") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">1</param>\n"
+                  "<param name=\"width2\" _gui-text=\"" N_("Width 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.5</param>\n"
+                  "<param name=\"dilat2\" _gui-text=\"" N_("Dilatation 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"100\">50</param>\n"
+                  "<param name=\"erosion2\" _gui-text=\"" N_("Erosion 2") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"100\">5</param>\n"
+                  "<param name=\"antialias\" _gui-text=\"" N_("Antialiasing") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"1\">1</param>\n"
+                  "<param name=\"smooth\" _gui-text=\"" N_("Smooth") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
                 "<page name=\"co11tab\" _gui-text=\"Color\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">255</param>\n"
-                  "<param name=\"fopacity\" gui-text=\"" N_("Fill opacity:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
-                  "<param name=\"sopacity\" gui-text=\"" N_("Stroke opacity:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">255</param>\n"
+                  "<param name=\"fopacity\" _gui-text=\"" N_("Fill opacity:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
+                  "<param name=\"sopacity\" _gui-text=\"" N_("Stroke opacity:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">1</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
diff --git a/src/extension/internal/filter/overlays.h b/src/extension/internal/filter/overlays.h
index 1ca745166..f6c0509c8 100644
--- a/src/extension/internal/filter/overlays.h
+++ b/src/extension/internal/filter/overlays.h
@@ -57,20 +57,20 @@ public:
               "<id>org.inkscape.effect.filter.NoiseFill</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"" N_("Options") "\">\n"
-                  "<param name=\"type\" gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
                     "<_item value=\"fractalNoise\">" N_("Fractal noise") "</_item>\n"
                     "<_item value=\"turbulence\">" N_("Turbulence") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10000.00\">20</param>\n"
-                  "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10000.00\">40</param>\n"
-                  "<param name=\"complexity\" gui-text=\"" N_("Complexity:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">5</param>\n"
-                  "<param name=\"variation\" gui-text=\"" N_("Variation:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"360\">0</param>\n"
-                  "<param name=\"dilat\" gui-text=\"" N_("Dilatation:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"50\">3</param>\n"
-                  "<param name=\"erosion\" gui-text=\"" N_("Erosion:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"50\">1</param>\n"
-                  "<param name=\"inverted\" gui-text=\"" N_("Inverted") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"hfreq\" _gui-text=\"" N_("Horizontal frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10000.00\">20</param>\n"
+                  "<param name=\"vfreq\" _gui-text=\"" N_("Vertical frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10000.00\">40</param>\n"
+                  "<param name=\"complexity\" _gui-text=\"" N_("Complexity:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">5</param>\n"
+                  "<param name=\"variation\" _gui-text=\"" N_("Variation:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"360\">0</param>\n"
+                  "<param name=\"dilat\" _gui-text=\"" N_("Dilatation:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"50\">3</param>\n"
+                  "<param name=\"erosion\" _gui-text=\"" N_("Erosion:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"50\">1</param>\n"
+                  "<param name=\"inverted\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
                 "<page name=\"co11tab\" _gui-text=\"" N_("Noise color") "\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">354957823</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">354957823</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
diff --git a/src/extension/internal/filter/paint.h b/src/extension/internal/filter/paint.h
index 941177f39..43f4b6c90 100644
--- a/src/extension/internal/filter/paint.h
+++ b/src/extension/internal/filter/paint.h
@@ -72,32 +72,32 @@ public:
               "<id>org.inkscape.effect.filter.Chromolitho</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
-                  "<param name=\"drawing\" gui-text=\"" N_("Drawing mode") "\" type=\"boolean\" >true</param>\n"
-                  "<param name=\"dblend\" gui-text=\"" N_("Drawing blend:") "\" type=\"enum\">\n"
+                  "<param name=\"drawing\" _gui-text=\"" N_("Drawing mode") "\" type=\"boolean\" >true</param>\n"
+                  "<param name=\"dblend\" _gui-text=\"" N_("Drawing blend:") "\" type=\"enum\">\n"
                     "<_item value=\"darken\">Darken</_item>\n"
                     "<_item value=\"normal\">Normal</_item>\n"
                     "<_item value=\"multiply\">Multiply</_item>\n"
                     "<_item value=\"screen\">Screen</_item>\n"
                     "<_item value=\"lighten\">Lighten</_item>\n"
                   "</param>\n"
-                  "<param name=\"transparent\" gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"dented\" gui-text=\"" N_("Dented") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"inverted\" gui-text=\"" N_("Inverted") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"light\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">0</param>\n"
-                  "<param name=\"saturation\" gui-text=\"" N_("Saturation") "\" type=\"float\" precision=\"2\" appearance=\"full\" min=\"0\" max=\"1\">1</param>\n"
-                  "<param name=\"noise\" gui-text=\"" N_("Noise reduction") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"1000\">10</param>\n"
-                  "<param name=\"smooth\" gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1</param>\n"
+                  "<param name=\"transparent\" _gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"dented\" _gui-text=\"" N_("Dented") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"inverted\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"light\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">0</param>\n"
+                  "<param name=\"saturation\" _gui-text=\"" N_("Saturation") "\" type=\"float\" precision=\"2\" appearance=\"full\" min=\"0\" max=\"1\">1</param>\n"
+                  "<param name=\"noise\" _gui-text=\"" N_("Noise reduction") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"1000\">10</param>\n"
+                  "<param name=\"smooth\" _gui-text=\"" N_("Smoothness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"10.00\">1</param>\n"
                 "</page>\n"
                 "<page name=\"graintab\" _gui-text=\"" N_("Grain") "\">\n"
-                  "<param name=\"grain\" gui-text=\"" N_("Grain mode") "\" type=\"boolean\" >true</param>\n"
-                  "<param name=\"grainxf\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1000\">1000</param>\n"
-                  "<param name=\"grainyf\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1000\">1000</param>\n"
-                  "<param name=\"grainc\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">1</param>\n"
-                  "<param name=\"grainv\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"1000\">0</param>\n"
-                  "<param name=\"grainexp\" gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"50\">1</param>\n"
-                  "<param name=\"grainero\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"40\">0</param>\n"
-                  "<param name=\"graincol\" gui-text=\"" N_("Color") "\" type=\"boolean\" >true</param>\n"
-                  "<param name=\"gblend\" gui-text=\"" N_("Grain blend:") "\" type=\"enum\">\n"
+                  "<param name=\"grain\" _gui-text=\"" N_("Grain mode") "\" type=\"boolean\" >true</param>\n"
+                  "<param name=\"grainxf\" _gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1000\">1000</param>\n"
+                  "<param name=\"grainyf\" _gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1000\">1000</param>\n"
+                  "<param name=\"grainc\" _gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">1</param>\n"
+                  "<param name=\"grainv\" _gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"1000\">0</param>\n"
+                  "<param name=\"grainexp\" _gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"1\" max=\"50\">1</param>\n"
+                  "<param name=\"grainero\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"40\">0</param>\n"
+                  "<param name=\"graincol\" _gui-text=\"" N_("Color") "\" type=\"boolean\" >true</param>\n"
+                  "<param name=\"gblend\" _gui-text=\"" N_("Grain blend:") "\" type=\"enum\">\n"
                     "<_item value=\"normal\">Normal</_item>\n"
                     "<_item value=\"multiply\">Multiply</_item>\n"
                     "<_item value=\"screen\">Screen</_item>\n"
@@ -231,12 +231,12 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Cross Engraving") "</name>\n"
               "<id>org.inkscape.effect.filter.CrossEngraving</id>\n"
-              "<param name=\"clean\" gui-text=\"" N_("Clean-up") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"500\">30</param>\n"
-              "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" min=\"1\" max=\"50\">1</param>\n"
-              "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"50\">0</param>\n"
-              "<param name=\"strength\" gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" min=\"0.1\" max=\"10\">0.5</param>\n"
-              "<param name=\"length\" gui-text=\"" N_("Length") "\" type=\"float\" appearance=\"full\" min=\"0.5\" max=\"20\">4</param>\n"
-              "<param name=\"trans\" gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
+              "<param name=\"clean\" _gui-text=\"" N_("Clean-up") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"500\">30</param>\n"
+              "<param name=\"dilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" appearance=\"full\" min=\"1\" max=\"50\">1</param>\n"
+              "<param name=\"erosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"50\">0</param>\n"
+              "<param name=\"strength\" _gui-text=\"" N_("Strength") "\" type=\"float\" appearance=\"full\" min=\"0.1\" max=\"10\">0.5</param>\n"
+              "<param name=\"length\" _gui-text=\"" N_("Length") "\" type=\"float\" appearance=\"full\" min=\"0.5\" max=\"20\">4</param>\n"
+              "<param name=\"trans\" _gui-text=\"" N_("Transparent") "\" type=\"boolean\" >false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -333,27 +333,27 @@ public:
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"Options\">\n"
                   "<_param name=\"simplifyheader\" type=\"description\" appearance=\"header\">" N_("Simplify") "</_param>\n"
-                  "<param name=\"simply\" gui-text=\"" N_("Strength") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.6</param>\n"
-                  "<param name=\"clean\" gui-text=\"" N_("Clean-up") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"500\">10</param>\n"
-                  "<param name=\"erase\" gui-text=\"" N_("Erase") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"60\">0</param>\n"
-                  "<param name=\"translucent\" gui-text=\"" N_("Translucent") "\" indent=\"1\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"simply\" _gui-text=\"" N_("Strength") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.6</param>\n"
+                  "<param name=\"clean\" _gui-text=\"" N_("Clean-up") "\" type=\"int\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"500\">10</param>\n"
+                  "<param name=\"erase\" _gui-text=\"" N_("Erase") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"60\">0</param>\n"
+                  "<param name=\"translucent\" _gui-text=\"" N_("Translucent") "\" indent=\"1\" type=\"boolean\" >false</param>\n"
                   "<_param name=\"smoothheader\" type=\"description\" appearance=\"header\">" N_("Smoothness") "</_param>\n"
-                    "<param name=\"smooth\" gui-text=\"" N_("Strength") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.6</param>\n"
-                    "<param name=\"dilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"50\">6</param>\n"
-                    "<param name=\"erosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"50\">2</param>\n"
+                    "<param name=\"smooth\" _gui-text=\"" N_("Strength") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">0.6</param>\n"
+                    "<param name=\"dilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"50\">6</param>\n"
+                    "<param name=\"erosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"50\">2</param>\n"
                   "<_param name=\"meltheader\" type=\"description\" appearance=\"header\">" N_("Melt") "</_param>\n"
-                    "<param name=\"blur\" gui-text=\"" N_("Level") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">1</param>\n"
-                    "<param name=\"bdilat\" gui-text=\"" N_("Dilatation") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"50\">6</param>\n"
-                    "<param name=\"berosion\" gui-text=\"" N_("Erosion") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"50\">2</param>\n"
+                    "<param name=\"blur\" _gui-text=\"" N_("Level") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">1</param>\n"
+                    "<param name=\"bdilat\" _gui-text=\"" N_("Dilatation") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"1\" max=\"50\">6</param>\n"
+                    "<param name=\"berosion\" _gui-text=\"" N_("Erosion") "\" type=\"float\" indent=\"1\" appearance=\"full\" min=\"0\" max=\"50\">2</param>\n"
                 "</page>\n"
                 "<page name=\"co11tab\" _gui-text=\"Fill color\">\n"
-                  "<param name=\"fcolor\" gui-text=\"" N_("Fill color") "\" type=\"color\">-1515870721</param>\n"
-                  "<param name=\"iof\" gui-text=\"" N_("Image on fill") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"fcolor\" _gui-text=\"" N_("Fill color") "\" type=\"color\">-1515870721</param>\n"
+                  "<param name=\"iof\" _gui-text=\"" N_("Image on fill") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
                 "<page name=\"co12tab\" _gui-text=\"Stroke color\">\n"
-                  "<param name=\"scolor\" gui-text=\"" N_("Stroke color") "\" type=\"color\">589505535</param>\n"
-                  "<param name=\"ios\" gui-text=\"" N_("Image on stroke") "\" type=\"boolean\" >false</param>\n"
-                  "<param name=\"offset\" gui-text=\"" N_("Offset") "\" type=\"int\" appearance=\"full\" min=\"-100\" max=\"100\">0</param>\n"
+                  "<param name=\"scolor\" _gui-text=\"" N_("Stroke color") "\" type=\"color\">589505535</param>\n"
+                  "<param name=\"ios\" _gui-text=\"" N_("Image on stroke") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"offset\" _gui-text=\"" N_("Offset") "\" type=\"int\" appearance=\"full\" min=\"-100\" max=\"100\">0</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
@@ -493,13 +493,13 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Electrize") "</name>\n"
               "<id>org.inkscape.effect.filter.Electrize</id>\n"
-              "<param name=\"blur\" gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" min=\"0.01\" max=\"10.0\">2.0</param>\n"
-              "<param name=\"type\" gui-text=\"" N_("Effect type:") "\" type=\"enum\">\n"
+              "<param name=\"blur\" _gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" min=\"0.01\" max=\"10.0\">2.0</param>\n"
+              "<param name=\"type\" _gui-text=\"" N_("Effect type:") "\" type=\"enum\">\n"
                 "<_item value=\"table\">" N_("Table") "</_item>\n"
                 "<_item value=\"discrete\">" N_("Discrete") "</_item>\n"
               "</param>\n"
-              "<param name=\"levels\" gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"10\">3</param>\n"
-              "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"levels\" _gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"10\">3</param>\n"
+              "<param name=\"invert\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -583,14 +583,14 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Neon Draw") "</name>\n"
               "<id>org.inkscape.effect.filter.NeonDraw</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Line type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Line type:") "\" type=\"enum\">\n"
                 "<_item value=\"table\">" N_("Smoothed") "</_item>\n"
                 "<_item value=\"discrete\">" N_("Contrasted") "</_item>\n"
               "</param>\n"
-              "<param name=\"simply\" gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">3</param>\n"
-              "<param name=\"width\" gui-text=\"" N_("Line width") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">3</param>\n"
-              "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"10.00\">1</param>\n"
-              "<param name=\"blend\" gui-text=\"" N_("Blend mode:") "\" type=\"enum\">\n"
+              "<param name=\"simply\" _gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">3</param>\n"
+              "<param name=\"width\" _gui-text=\"" N_("Line width") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">3</param>\n"
+              "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"10.00\">1</param>\n"
+              "<param name=\"blend\" _gui-text=\"" N_("Blend mode:") "\" type=\"enum\">\n"
                 "<_item value=\"normal\">Normal</_item>\n"
                 "<_item value=\"multiply\">Multiply</_item>\n"
                 "<_item value=\"screen\">Screen</_item>\n"
@@ -688,34 +688,34 @@ public:
               "<id>org.inkscape.effect.filter.PointEngraving</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"" N_("Options") "\">\n"
-                  "<param name=\"type\" gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
                     "<_item value=\"fractalNoise\">" N_("Fractal noise") "</_item>\n"
                   "<_item value=\"turbulence\">" N_("Turbulence") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"hfreq\" gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"100.00\">100</param>\n"
-                  "<param name=\"vfreq\" gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"100.00\">100</param>\n"
-                  "<param name=\"complexity\" gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">1</param>\n"
-                  "<param name=\"variation\" gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"100\">0</param>\n"
-                  "<param name=\"reduction\" gui-text=\"" N_("Noise reduction") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"500\">45</param>\n"
-                  "<param name=\"blend\" gui-text=\"" N_("Noise blend:") "\" type=\"enum\">\n"
+                  "<param name=\"hfreq\" _gui-text=\"" N_("Horizontal frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"100.00\">100</param>\n"
+                  "<param name=\"vfreq\" _gui-text=\"" N_("Vertical frequency") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.1\" max=\"100.00\">100</param>\n"
+                  "<param name=\"complexity\" _gui-text=\"" N_("Complexity") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">1</param>\n"
+                  "<param name=\"variation\" _gui-text=\"" N_("Variation") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"100\">0</param>\n"
+                  "<param name=\"reduction\" _gui-text=\"" N_("Noise reduction") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"500\">45</param>\n"
+                  "<param name=\"blend\" _gui-text=\"" N_("Noise blend:") "\" type=\"enum\">\n"
                     "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                     "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                     "<_item value=\"screen\">" N_("Screen") "</_item>\n"
                     "<_item value=\"lighten\">" N_("Lighten") "</_item>\n"
                     "<_item value=\"darken\">" N_("Darken") "</_item>\n"
                   "</param>\n"
-                  "<param name=\"lightness\" gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">2.5</param>\n"
-                  "<param name=\"grain\" gui-text=\"" N_("Grain lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">1.3</param>\n"
-                  "<param name=\"erase\" gui-text=\"" N_("Erase") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">0</param>\n"
-                  "<param name=\"blur\" gui-text=\"" N_("Blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"2\">0.5</param>\n"
+                  "<param name=\"lightness\" _gui-text=\"" N_("Lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">2.5</param>\n"
+                  "<param name=\"grain\" _gui-text=\"" N_("Grain lightness") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"10\">1.3</param>\n"
+                  "<param name=\"erase\" _gui-text=\"" N_("Erase") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0\" max=\"1\">0</param>\n"
+                  "<param name=\"blur\" _gui-text=\"" N_("Blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"2\">0.5</param>\n"
                 "</page>\n"
                 "<page name=\"fcolortab\" _gui-text=\"" N_("Fill color") "\">\n"
-                  "<param name=\"fcolor\" gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
-                  "<param name=\"iof\" gui-text=\"" N_("Image on fill") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"fcolor\" _gui-text=\"" N_("Color") "\" type=\"color\">-1</param>\n"
+                  "<param name=\"iof\" _gui-text=\"" N_("Image on fill") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
                 "<page name=\"pcolortab\" _gui-text=\"" N_("Points color") "\">\n"
-                  "<param name=\"pcolor\" gui-text=\"" N_("Color") "\" type=\"color\">1666789119</param>\n"
-                  "<param name=\"iop\" gui-text=\"" N_("Image on points") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"pcolor\" _gui-text=\"" N_("Color") "\" type=\"color\">1666789119</param>\n"
+                  "<param name=\"iop\" _gui-text=\"" N_("Image on points") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
@@ -849,27 +849,27 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Poster Paint") "</name>\n"
               "<id>org.inkscape.effect.filter.Posterize</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Effect type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Effect type:") "\" type=\"enum\">\n"
                 "<_item value=\"normal\">Normal</_item>\n"
                 "<_item value=\"dented\">Dented</_item>\n"
               "</param>\n"
-              "<param name=\"table\" gui-text=\"" N_("Transfer type:") "\" type=\"enum\">\n"
+              "<param name=\"table\" _gui-text=\"" N_("Transfer type:") "\" type=\"enum\">\n"
                 "<_item value=\"discrete\">" N_("Poster") "</_item>\n"
                 "<_item value=\"table\">" N_("Painting") "</_item>\n"
               "</param>\n"
-              "<param name=\"levels\" gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"15\">5</param>\n"
-              "<param name=\"blend\" gui-text=\"" N_("Blend mode:") "\" type=\"enum\">\n"
+              "<param name=\"levels\" _gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"15\">5</param>\n"
+              "<param name=\"blend\" _gui-text=\"" N_("Blend mode:") "\" type=\"enum\">\n"
                 "<_item value=\"lighten\">Lighten</_item>\n"
                 "<_item value=\"normal\">Normal</_item>\n"
                 "<_item value=\"darken\">Darken</_item>\n"
                 "<_item value=\"multiply\">Multiply</_item>\n"
                 "<_item value=\"screen\">Screen</_item>\n"
               "</param>\n"
-              "<param name=\"blur1\" gui-text=\"" N_("Simplify (primary)") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">4.0</param>\n"
-              "<param name=\"blur2\" gui-text=\"" N_("Simplify (secondary)") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">0.5</param>\n"
-              "<param name=\"presaturation\" gui-text=\"" N_("Pre-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
-              "<param name=\"postsaturation\" gui-text=\"" N_("Post-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
-              "<param name=\"antialiasing\" gui-text=\"" N_("Simulate antialiasing") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"blur1\" _gui-text=\"" N_("Simplify (primary)") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">4.0</param>\n"
+              "<param name=\"blur2\" _gui-text=\"" N_("Simplify (secondary)") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">0.5</param>\n"
+              "<param name=\"presaturation\" _gui-text=\"" N_("Pre-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
+              "<param name=\"postsaturation\" _gui-text=\"" N_("Post-saturation") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
+              "<param name=\"antialiasing\" _gui-text=\"" N_("Simulate antialiasing") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -972,8 +972,8 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Posterize Basic") "</name>\n"
               "<id>org.inkscape.effect.filter.PosterizeBasic</id>\n"
-              "<param name=\"levels\" gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"20\">5</param>\n"
-              "<param name=\"blur\" gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">4.0</param>\n"
+              "<param name=\"levels\" _gui-text=\"" N_("Levels") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"20\">5</param>\n"
+              "<param name=\"blur\" _gui-text=\"" N_("Simplify") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"20.00\">4.0</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/filter/protrusions.h b/src/extension/internal/filter/protrusions.h
index 965a1bdc5..ad75d8896 100644
--- a/src/extension/internal/filter/protrusions.h
+++ b/src/extension/internal/filter/protrusions.h
@@ -47,7 +47,7 @@ public:
 			"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 				"<name>" N_("Snow crest") "</name>\n"
 				"<id>org.inkscape.effect.filter.snow</id>\n"
-				"<param name=\"drift\" gui-text=\"" N_("Drift Size") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"20.0\">3.5</param>\n"
+				"<param name=\"drift\" _gui-text=\"" N_("Drift Size") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"20.0\">3.5</param>\n"
 				"<effect>\n"
 					"<object-type>all</object-type>\n"
 					"<effects-menu>\n"
diff --git a/src/extension/internal/filter/shadows.h b/src/extension/internal/filter/shadows.h
index 0d54950bf..e69e05669 100644
--- a/src/extension/internal/filter/shadows.h
+++ b/src/extension/internal/filter/shadows.h
@@ -58,10 +58,10 @@ public:
               "<id>org.inkscape.effect.filter.ColorDropShadow</id>\n"
               "<param name=\"tab\" type=\"notebook\">\n"
                 "<page name=\"optionstab\" _gui-text=\"" N_("Options") "\">\n"
-                  "<param name=\"blur\" gui-text=\"" N_("Blur radius (px)") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"200.0\">3.0</param>\n"
-                  "<param name=\"xoffset\" gui-text=\"" N_("Horizontal offset (px)") "\" type=\"float\" appearance=\"full\" min=\"-50.0\" max=\"50.0\">6.0</param>\n"
-                  "<param name=\"yoffset\" gui-text=\"" N_("Vertical offset (px)") "\" type=\"float\" appearance=\"full\" min=\"-50.0\" max=\"50.0\">6.0</param>\n"
-                  "<param name=\"type\" gui-text=\"" N_("Shadow type:") "\" type=\"enum\" >\n"
+                  "<param name=\"blur\" _gui-text=\"" N_("Blur radius (px)") "\" type=\"float\" appearance=\"full\" min=\"0.0\" max=\"200.0\">3.0</param>\n"
+                  "<param name=\"xoffset\" _gui-text=\"" N_("Horizontal offset (px)") "\" type=\"float\" appearance=\"full\" min=\"-50.0\" max=\"50.0\">6.0</param>\n"
+                  "<param name=\"yoffset\" _gui-text=\"" N_("Vertical offset (px)") "\" type=\"float\" appearance=\"full\" min=\"-50.0\" max=\"50.0\">6.0</param>\n"
+                  "<param name=\"type\" _gui-text=\"" N_("Shadow type:") "\" type=\"enum\" >\n"
                     "<_item value=\"outer\">" N_("Outer") "</_item>\n"
                     "<_item value=\"inner\">" N_("Inner") "</_item>\n"
                     "<_item value=\"outercut\">" N_("Outer cutout") "</_item>\n"
@@ -70,8 +70,8 @@ public:
                   "</param>\n"
                 "</page>\n"
                 "<page name=\"coltab\" _gui-text=\"" N_("Blur color") "\">\n"
-                  "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">127</param>\n"
-                  "<param name=\"objcolor\" gui-text=\"" N_("Use object's color") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">127</param>\n"
+                  "<param name=\"objcolor\" _gui-text=\"" N_("Use object's color") "\" type=\"boolean\" >false</param>\n"
                 "</page>\n"
               "</param>\n"
               "<effect>\n"
diff --git a/src/extension/internal/filter/textures.h b/src/extension/internal/filter/textures.h
index 32eef6054..a2584c627 100644
--- a/src/extension/internal/filter/textures.h
+++ b/src/extension/internal/filter/textures.h
@@ -61,18 +61,18 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("Ink Blot") "</name>\n"
               "<id>org.inkscape.effect.filter.InkBlot</id>\n"
-              "<param name=\"type\" gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
+              "<param name=\"type\" _gui-text=\"" N_("Turbulence type:") "\" type=\"enum\">\n"
                 "<_item value=\"fractalNoise\">Fractal noise</_item>\n"
                 "<_item value=\"turbulence\">Turbulence</_item>\n"
               "</param>\n"
-              "<param name=\"freq\" gui-text=\"" N_("Frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">4</param>\n"
-              "<param name=\"complexity\" gui-text=\"" N_("Complexity:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">3</param>\n"
-              "<param name=\"variation\" gui-text=\"" N_("Variation:") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"100\">0</param>\n"
-              "<param name=\"hblur\" gui-text=\"" N_("Horizontal inlay:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">10</param>\n"
-              "<param name=\"vblur\" gui-text=\"" N_("Vertical inlay:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">10</param>\n"
-              "<param name=\"displacement\" gui-text=\"" N_("Displacement:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"100.00\">50</param>\n"
-              "<param name=\"blend\" gui-text=\"" N_("Blend:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">5</param>\n"
-              "<param name=\"stroke\" gui-text=\"" N_("Stroke:") "\" type=\"enum\">\n"
+              "<param name=\"freq\" _gui-text=\"" N_("Frequency:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"100.00\">4</param>\n"
+              "<param name=\"complexity\" _gui-text=\"" N_("Complexity:") "\" type=\"int\" appearance=\"full\" min=\"1\" max=\"5\">3</param>\n"
+              "<param name=\"variation\" _gui-text=\"" N_("Variation:") "\" type=\"int\" appearance=\"full\" min=\"0\" max=\"100\">0</param>\n"
+              "<param name=\"hblur\" _gui-text=\"" N_("Horizontal inlay:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">10</param>\n"
+              "<param name=\"vblur\" _gui-text=\"" N_("Vertical inlay:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">10</param>\n"
+              "<param name=\"displacement\" _gui-text=\"" N_("Displacement:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"100.00\">50</param>\n"
+              "<param name=\"blend\" _gui-text=\"" N_("Blend:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"30.00\">5</param>\n"
+              "<param name=\"stroke\" _gui-text=\"" N_("Stroke:") "\" type=\"enum\">\n"
                 "<_item value=\"over\">" N_("Wide") "</_item>\n"
                 "<_item value=\"atop\">" N_("Normal") "</_item>\n"
                 "<_item value=\"in\">" N_("Narrow") "</_item>\n"
@@ -81,9 +81,9 @@ public:
                 "<_item value=\"arithmetic\">" N_("Custom") "</_item>\n"
               "</param>\n"
               "<_param name=\"customHeader\" type=\"description\" appearance=\"header\">" N_("Custom stroke options") "</_param>\n"
-                "<param name=\"k1\" gui-text=\"" N_("k1:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1.5</param>\n"
-                "<param name=\"k2\" gui-text=\"" N_("k2:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-0.25</param>\n"
-                "<param name=\"k3\" gui-text=\"" N_("k3:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
+                "<param name=\"k1\" _gui-text=\"" N_("k1:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1.5</param>\n"
+                "<param name=\"k2\" _gui-text=\"" N_("k2:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-0.25</param>\n"
+                "<param name=\"k3\" _gui-text=\"" N_("k3:") "\" type=\"float\" indent=\"1\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/filter/transparency.h b/src/extension/internal/filter/transparency.h
index dcbae26b5..da89498bb 100644
--- a/src/extension/internal/filter/transparency.h
+++ b/src/extension/internal/filter/transparency.h
@@ -52,11 +52,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Blend") "</name>\n"
               "<id>org.inkscape.effect.filter.Blend</id>\n"
-              "<param name=\"source\" gui-text=\"" N_("Source:") "\" type=\"enum\">\n"
+              "<param name=\"source\" _gui-text=\"" N_("Source:") "\" type=\"enum\">\n"
                 "<_item value=\"BackgroundImage\">" N_("Background") "</_item>\n"
                 "<_item value=\"SourceGraphic\">" N_("Image") "</_item>\n"
               "</param>\n"
-              "<param name=\"mode\" gui-text=\"" N_("Mode:") "\" type=\"enum\">\n"
+              "<param name=\"mode\" _gui-text=\"" N_("Mode:") "\" type=\"enum\">\n"
                 "<_item value=\"multiply\">" N_("Multiply") "</_item>\n"
                 "<_item value=\"normal\">" N_("Normal") "</_item>\n"
                 "<_item value=\"screen\">" N_("Screen") "</_item>\n"
@@ -129,11 +129,11 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Channel Transparency") "</name>\n"
               "<id>org.inkscape.effect.filter.ChannelTransparency</id>\n"
-              "<param name=\"red\" gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-1</param>\n"
-              "<param name=\"green\" gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
-              "<param name=\"blue\" gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
-              "<param name=\"alpha\" gui-text=\"" N_("Alpha") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
-              "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"red\" _gui-text=\"" N_("Red") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">-1</param>\n"
+              "<param name=\"green\" _gui-text=\"" N_("Green") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
+              "<param name=\"blue\" _gui-text=\"" N_("Blue") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">0.5</param>\n"
+              "<param name=\"alpha\" _gui-text=\"" N_("Alpha") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.\" max=\"10.\">1</param>\n"
+              "<param name=\"invert\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -204,10 +204,10 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Light Eraser") "</name>\n"
               "<id>org.inkscape.effect.filter.LightEraser</id>\n"
-              "<param name=\"expand\" gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\"  min=\"0\" max=\"1000\">50</param>\n"
-              "<param name=\"erode\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"1\" max=\"1000\">100</param>\n"
-              "<param name=\"opacity\" gui-text=\"" N_("Global opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
-              "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"expand\" _gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\"  min=\"0\" max=\"1000\">50</param>\n"
+              "<param name=\"erode\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"1\" max=\"1000\">100</param>\n"
+              "<param name=\"opacity\" _gui-text=\"" N_("Global opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
+              "<param name=\"invert\" _gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -278,9 +278,9 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Opacity") "</name>\n"
               "<id>org.inkscape.effect.filter.Opacity</id>\n"
-              "<param name=\"expand\" gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\"  min=\"1\" max=\"1000\">5</param>\n"
-              "<param name=\"erode\" gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"1000\">1</param>\n"
-              "<param name=\"opacity\" gui-text=\"" N_("Global opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
+              "<param name=\"expand\" _gui-text=\"" N_("Expansion") "\" type=\"float\" appearance=\"full\"  min=\"1\" max=\"1000\">5</param>\n"
+              "<param name=\"erode\" _gui-text=\"" N_("Erosion") "\" type=\"float\" appearance=\"full\" min=\"0\" max=\"1000\">1</param>\n"
+              "<param name=\"opacity\" _gui-text=\"" N_("Global opacity") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
@@ -340,9 +340,9 @@ public:
             "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
               "<name>" N_("Silhouette") "</name>\n"
               "<id>org.inkscape.effect.filter.Silhouette</id>\n"
-              "<param name=\"blur\" gui-text=\"" N_("Blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">0.01</param>\n"
-              "<param name=\"cutout\" gui-text=\"" N_("Cutout") "\" type=\"boolean\">false</param>\n"
-              "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">255</param>\n"
+              "<param name=\"blur\" _gui-text=\"" N_("Blur") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.01\" max=\"50.00\">0.01</param>\n"
+              "<param name=\"cutout\" _gui-text=\"" N_("Cutout") "\" type=\"boolean\">false</param>\n"
+              "<param name=\"color\" _gui-text=\"" N_("Color") "\" type=\"color\">255</param>\n"
               "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/gdkpixbuf-input.cpp b/src/extension/internal/gdkpixbuf-input.cpp
index c15e28854..e0dc90981 100644
--- a/src/extension/internal/gdkpixbuf-input.cpp
+++ b/src/extension/internal/gdkpixbuf-input.cpp
@@ -134,8 +134,13 @@ GdkpixbufInput::open(Inkscape::Extension::Input *mod, char const *uri)
         }
 
         // Add it to the current layer
-        doc->getRoot()->appendChildRepr(image_node);
+        Inkscape::XML::Node *layer_node = xml_doc->createElement("svg:g");
+        layer_node->setAttribute("inkscape:groupmode", "layer");
+        layer_node->setAttribute("inkscape:label", "Image");
+        doc->getRoot()->appendChildRepr(layer_node);
+        layer_node->appendChild(image_node);
         Inkscape::GC::release(image_node);
+        Inkscape::GC::release(layer_node);
         fit_canvas_to_drawing(doc);
         
         // Set viewBox if it doesn't exist
@@ -208,7 +213,7 @@ GdkpixbufInput::init(void)
                     "<_option value='optimizeSpeed' >" N_("Blocky (optimizeSpeed)") "</_option>\n"
                   "</param>\n"
 
-                  "<param name=\"do_not_ask\" _gui-description='" N_("Hide the dialog next time and always apply the same actions.") "' gui-text=\"" N_("Don't ask again") "\" type=\"boolean\" >false</param>\n"
+                  "<param name=\"do_not_ask\" _gui-description='" N_("Hide the dialog next time and always apply the same actions.") "' _gui-text=\"" N_("Don't ask again") "\" type=\"boolean\" >false</param>\n"
                   "<input>\n"
                     "<extension>.%s</extension>\n"
                     "<mimetype>%s</mimetype>\n"
diff --git a/src/extension/internal/grid.cpp b/src/extension/internal/grid.cpp
index 8a9c7a72f..9e730f5e5 100644
--- a/src/extension/internal/grid.cpp
+++ b/src/extension/internal/grid.cpp
@@ -108,7 +108,8 @@ Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *doc
         bounding_area = temprec;
     }
 
-    gdouble scale = Inkscape::Util::Quantity::convert(1, "px", &document->doc()->getSVGUnit());
+    double scale = document->doc()->getDocumentScale().inverse()[Geom::X];
+
     bounding_area *= Geom::Scale(scale);
     Geom::Point spacings( scale * module->get_param_float("xspacing"),
                           scale * module->get_param_float("yspacing") );
@@ -127,15 +128,9 @@ Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *doc
 
     path->setAttribute("d", path_data.c_str());
 
-    Glib::ustring style("fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#000000;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000");
-    style += ";stroke-width:";
-    gchar floatstring[64];
     std::ostringstream stringstream;
-    stringstream << line_width;
-    sprintf(floatstring, "%s", stringstream.str().c_str());
-    style += floatstring;
-    style += "pt";
-    path->setAttribute("style", style.c_str());
+    stringstream << "fill:none;stroke:#000000;stroke-width:" << line_width << "px";
+    path->setAttribute("style", stringstream.str().c_str());
 
     current_layer->appendChild(path);
     Inkscape::GC::release(path);
@@ -185,10 +180,10 @@ Grid::prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View
 {
     SPDocument * current_document = view->doc();
 
-    std::vector<SPItem*> selected = ((SPDesktop *)view)->getSelection()->itemList();
+    auto selected = ((SPDesktop *) view)->getSelection()->items();
     Inkscape::XML::Node * first_select = NULL;
     if (!selected.empty()) {
-        first_select = selected[0]->getRepr();
+        first_select = selected.front()->getRepr();
     }
 
     return module->autogui(current_document, first_select, changeSignal);
@@ -203,11 +198,11 @@ Grid::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("Grid") "</name>\n"
             "<id>org.inkscape.effect.grid</id>\n"
-            "<param name=\"lineWidth\" gui-text=\"" N_("Line Width:") "\" type=\"float\">1.0</param>\n"
-            "<param name=\"xspacing\" gui-text=\"" N_("Horizontal Spacing:") "\" type=\"float\" min=\"0.1\" max=\"1000\">10.0</param>\n"
-            "<param name=\"yspacing\" gui-text=\"" N_("Vertical Spacing:") "\" type=\"float\" min=\"0.1\" max=\"1000\">10.0</param>\n"
-            "<param name=\"xoffset\" gui-text=\"" N_("Horizontal Offset:") "\" type=\"float\" min=\"0.0\" max=\"1000\">0.0</param>\n"
-            "<param name=\"yoffset\" gui-text=\"" N_("Vertical Offset:") "\" type=\"float\" min=\"0.0\" max=\"1000\">0.0</param>\n"
+            "<param name=\"lineWidth\" _gui-text=\"" N_("Line Width:") "\" type=\"float\">1.0</param>\n"
+            "<param name=\"xspacing\" _gui-text=\"" N_("Horizontal Spacing:") "\" type=\"float\" min=\"0.1\" max=\"1000\">10.0</param>\n"
+            "<param name=\"yspacing\" _gui-text=\"" N_("Vertical Spacing:") "\" type=\"float\" min=\"0.1\" max=\"1000\">10.0</param>\n"
+            "<param name=\"xoffset\" _gui-text=\"" N_("Horizontal Offset:") "\" type=\"float\" min=\"0.0\" max=\"1000\">0.0</param>\n"
+            "<param name=\"yoffset\" _gui-text=\"" N_("Vertical Offset:") "\" type=\"float\" min=\"0.0\" max=\"1000\">0.0</param>\n"
             "<effect>\n"
                 "<object-type>all</object-type>\n"
                 "<effects-menu>\n"
diff --git a/src/extension/internal/javafx-out.cpp b/src/extension/internal/javafx-out.cpp
index 386bde1d6..d7ad7e6f7 100644
--- a/src/extension/internal/javafx-out.cpp
+++ b/src/extension/internal/javafx-out.cpp
@@ -732,9 +732,9 @@ bool JavaFXOutput::doTreeRecursive(SPDocument *doc, SPObject *obj)
     /**
      * Descend into children
      */
-    for (SPObject *child = obj->firstChild() ; child ; child = child->next)
+    for (auto &child: obj->children)
         {
-            if (!doTreeRecursive(doc, child)) {
+            if (!doTreeRecursive(doc, &child)) {
                 return false;
             }
         }
@@ -804,9 +804,9 @@ bool JavaFXOutput::doBody(SPDocument *doc, SPObject *obj)
     /**
      * Descend into children
      */
-    for (SPObject *child = obj->firstChild() ; child ; child = child->next)
+    for (auto &child: obj->children)
         {
-            if (!doBody(doc, child)) {
+            if (!doBody(doc, &child)) {
                 return false;
             }
         }
diff --git a/src/extension/internal/metafile-print.cpp b/src/extension/internal/metafile-print.cpp
index 47ba5971c..061eb634d 100644
--- a/src/extension/internal/metafile-print.cpp
+++ b/src/extension/internal/metafile-print.cpp
@@ -293,20 +293,22 @@ void PrintMetafile::brush_classify(SPObject *parent, int depth, Inkscape::Pixbuf
             }
 
             // still looking?  Look at this pattern's children, if there are any
-            SPObject *child = pat_i->firstChild();
-            while (child && !(*epixbuf) && (*hatchType == -1)) {
-                brush_classify(child, depth, epixbuf, hatchType, hatchColor, bkColor);
-                child = child->getNext();
+            for (auto& child: pat_i->children) {
+                if (*epixbuf || *hatchType != -1) {
+                    break;
+                }
+                brush_classify(&child, depth, epixbuf, hatchType, hatchColor, bkColor);
             }
         }
     } else if (SP_IS_IMAGE(parent)) {
         *epixbuf = ((SPImage *)parent)->pixbuf;
         return;
     } else { // some inkscape rearrangements pass through nodes between pattern and image which are not classified as either.
-        SPObject *child = parent->firstChild();
-        while (child && !(*epixbuf) && (*hatchType == -1)) {
-            brush_classify(child, depth, epixbuf, hatchType, hatchColor, bkColor);
-            child = child->getNext();
+        for (auto& child: parent->children) {
+            if (*epixbuf || *hatchType != -1) {
+                break;
+            }
+            brush_classify(&child, depth, epixbuf, hatchType, hatchColor, bkColor);
         }
     }
 }
diff --git a/src/extension/internal/odf.cpp b/src/extension/internal/odf.cpp
index 6904eb2fd..f885ef5e5 100644
--- a/src/extension/internal/odf.cpp
+++ b/src/extension/internal/odf.cpp
@@ -873,11 +873,8 @@ int SingularValueDecomposition::rank()
 
 
 
-#define pi 3.14159
 //#define pxToCm  0.0275
 #define pxToCm  0.03
-#define piToRad 0.0174532925
-#define docHeightCm 22.86
 
 
 //########################################################################
@@ -1565,7 +1562,7 @@ bool OdfOutput::processGradient(SPItem *item,
         output += buf;
         //TODO: apply maths, to define begin of gradient, taking gradient begin and end, as well as object boundary into account
         double angle = (gi.y2-gi.y1);
-        angle = (angle != 0.) ? (atan((gi.x2-gi.x1)/(gi.y2-gi.y1))* 180. / pi) : 90;
+        angle = (angle != 0.) ? (atan((gi.x2-gi.x1)/(gi.y2-gi.y1))* 180. / M_PI) : 90;
         angle = (angle < 0)?(180+angle):angle;
         angle = angle * 10; //why do we need this: precision?????????????
         output += Glib::ustring::compose(" draw:start-intensity=\"%1\" draw:end-intensity=\"%2\" draw:angle=\"%3\"/>\n",
diff --git a/src/extension/internal/pdfinput/pdf-input.cpp b/src/extension/internal/pdfinput/pdf-input.cpp
index c1940b16a..0c22fa399 100644
--- a/src/extension/internal/pdfinput/pdf-input.cpp
+++ b/src/extension/internal/pdfinput/pdf-input.cpp
@@ -39,10 +39,8 @@
 #include <gtkmm/radiobutton.h>
 #include <gtkmm/scale.h>
 
-#if WITH_GTKMM_3_0
 #include <glibmm/convert.h>
 #include <glibmm/miscutils.h>
-#endif
 
 #include "extension/system.h"
 #include "extension/input.h"
@@ -92,14 +90,8 @@ PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar */*uri*/)
     _labelSelect = Gtk::manage(new class Gtk::Label(_("Select page:")));
 
     // Page number
-#if WITH_GTKMM_3_0
-    Glib::RefPtr<Gtk::Adjustment> _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _pdf_doc->getNumPages(), 1, 10, 0);
+    auto _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _pdf_doc->getNumPages(), 1, 10, 0);
     _pageNumberSpin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(_pageNumberSpin_adj, 1, 1));
-#else
-    Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage(
-            new class Gtk::Adjustment(1, 1, _pdf_doc->getNumPages(), 1, 10, 0));
-    _pageNumberSpin = Gtk::manage(new class Inkscape::UI::Widget::SpinButton(*_pageNumberSpin_adj, 1, 1));
-#endif
     _labelTotalPages = Gtk::manage(new class Gtk::Label());
     hbox2 = Gtk::manage(new class Gtk::HBox(false, 0));
     // Disable the page selector when there's only one page
@@ -137,13 +129,8 @@ PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar */*uri*/)
     _labelViaInternal = Gtk::manage(new class Gtk::Label(_("Import via internal (Poppler derived) library. Text is stored as text but white space is missing. Meshes are converted to tiles, the number depends on the precision set below.")));
 #endif
 
-#if WITH_GTKMM_3_0
     _fallbackPrecisionSlider_adj = Gtk::Adjustment::create(2, 1, 256, 1, 10, 10);
     _fallbackPrecisionSlider = Gtk::manage(new class Gtk::Scale(_fallbackPrecisionSlider_adj));
-#else
-    _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10));
-    _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj));
-#endif
     _fallbackPrecisionSlider->set_value(2.0);
     _labelPrecisionComment = Gtk::manage(new class Gtk::Label(_("rough")));
     hbox6 = Gtk::manage(new class Gtk::HBox(false, 4));
@@ -278,15 +265,9 @@ PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar */*uri*/)
     hbox1->pack_start(*vbox1);
     hbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 4);
 
-#if WITH_GTKMM_3_0
     get_content_area()->set_homogeneous(false);
     get_content_area()->set_spacing(0);
     get_content_area()->pack_start(*hbox1);
-#else
-    this->get_vbox()->set_homogeneous(false);
-    this->get_vbox()->set_spacing(0);
-    this->get_vbox()->pack_start(*hbox1);
-#endif
 
     this->set_title(_("PDF Import Settings"));
     this->set_modal(true);
@@ -300,12 +281,7 @@ PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar */*uri*/)
     this->show_all();
     
     // Connect signals
-#if WITH_GTKMM_3_0
     _previewArea->signal_draw().connect(sigc::mem_fun(*this, &PdfImportDialog::_onDraw));
-#else
-    _previewArea->signal_expose_event().connect(sigc::mem_fun(*this, &PdfImportDialog::_onExposePreview));
-#endif
-
     _pageNumberSpin_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPageNumberChanged));
     _cropCheck->signal_toggled().connect(sigc::mem_fun(*this, &PdfImportDialog::_onToggleCropping));
     _fallbackPrecisionSlider_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPrecisionChanged));
@@ -527,16 +503,6 @@ static void copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
 
 #endif
 
-/**
- * \brief Updates the preview area with the previously rendered thumbnail
- */
-#if !WITH_GTKMM_3_0
-bool PdfImportDialog::_onExposePreview(GdkEventExpose * /*event*/) {
-    Cairo::RefPtr<Cairo::Context> cr = _previewArea->get_window()->create_cairo_context();
-    return _onDraw(cr);
-}
-#endif
-
 bool PdfImportDialog::_onDraw(const Cairo::RefPtr<Cairo::Context>& cr) {
     // Check if we have a thumbnail at all
     if (!_thumb_data) {
diff --git a/src/extension/internal/pdfinput/pdf-input.h b/src/extension/internal/pdfinput/pdf-input.h
index 6e36603c3..c338207c1 100644
--- a/src/extension/internal/pdfinput/pdf-input.h
+++ b/src/extension/internal/pdfinput/pdf-input.h
@@ -39,11 +39,7 @@ namespace Gtk {
   class DrawingArea;
   class Frame;
   class HBox;
-#if WITH_GTKMM_3_0
   class Scale;
-#else
-  class HScale;
-#endif
   class RadioButton;
   class VBox;
   class Label;
@@ -79,10 +75,6 @@ private:
     void _setPreviewPage(int page);
 
     // Signal handlers
-#if !WITH_GTKMM_3_0
-    bool _onExposePreview(GdkEventExpose *event);
-#endif
-
     bool _onDraw(const Cairo::RefPtr<Cairo::Context>& cr);
     void _onPageNumberChanged();
     void _onToggleCropping();
@@ -110,13 +102,8 @@ private:
     class Gtk::RadioButton * _importViaInternal; // Use native (poppler based) importing
     class Gtk::Label * _labelViaInternal;
 #endif
-#if WITH_GTKMM_3_0
-    class Gtk::Scale * _fallbackPrecisionSlider;
+    Gtk::Scale * _fallbackPrecisionSlider;
     Glib::RefPtr<Gtk::Adjustment> _fallbackPrecisionSlider_adj;
-#else
-    class Gtk::HScale * _fallbackPrecisionSlider;
-    class Gtk::Adjustment *_fallbackPrecisionSlider_adj;
-#endif
     class Gtk::Label * _labelPrecisionComment;
     class Gtk::HBox * hbox6;
     class Gtk::Label * _labelText;
diff --git a/src/extension/internal/pov-out.cpp b/src/extension/internal/pov-out.cpp
index bd2168b68..8df883069 100644
--- a/src/extension/internal/pov-out.cpp
+++ b/src/extension/internal/pov-out.cpp
@@ -479,9 +479,9 @@ bool PovOutput::doTreeRecursive(SPDocument *doc, SPObject *obj)
     /**
      * Descend into children
      */
-    for (SPObject *child = obj->firstChild() ; child ; child = child->next)
+    for (auto &child: obj->children)
         {
-            if (!doTreeRecursive(doc, child))
+            if (!doTreeRecursive(doc, &child))
                 return false;
         }
 
diff --git a/src/extension/internal/svg.cpp b/src/extension/internal/svg.cpp
index a94bc2141..9cde90519 100644
--- a/src/extension/internal/svg.cpp
+++ b/src/extension/internal/svg.cpp
@@ -78,6 +78,28 @@ static void pruneExtendedNamespaces( Inkscape::XML::Node *repr )
     }
 }
 
+/*
+ * Similar to the above sodipodi and inkscape prune, but used on all documents
+ * to remove problematic elements (for example Adobe's i:pgf tag) only removes
+ * known garbage tags.
+ */
+static void pruneProprietaryGarbage( Inkscape::XML::Node *repr )
+{
+    if (repr) {
+        std::vector<Inkscape::XML::Node *> nodesRemoved;
+        for ( Node *child = repr->firstChild(); child; child = child->next() ) { 
+            if((strncmp("i:pgf", child->name(), 5) == 0)) {
+                nodesRemoved.push_back(child);
+                g_warning( "An Adobe proprietary tag was found which is known to cause issues. It was removed before saving.");
+            } else {
+                pruneProprietaryGarbage(child);
+            }
+        }
+        for ( std::vector<Inkscape::XML::Node *>::iterator it = nodesRemoved.begin(); it != nodesRemoved.end(); ++it ) { 
+            repr->removeChild(*it);
+        }
+    }
+}
 
 /**
     \return   None
@@ -246,6 +268,10 @@ Svg::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *filena
       || !strcmp (mod->get_id(), SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE)
       || !strcmp (mod->get_id(), SP_MODULE_KEY_OUTPUT_SVGZ_INKSCAPE));
 
+    // We prune the in-use document and deliberately loose data, because there
+    // is no known use for this data at the present time.
+    pruneProprietaryGarbage(rdoc->root());
+
     if (!exportExtensions) {
         // We make a duplicate document so we don't prune the in-use document
         // and loose data. Perhaps the user intends to save as inkscape-svg next.
diff --git a/src/extension/internal/vsd-input.cpp b/src/extension/internal/vsd-input.cpp
index a3d4aad37..2de2d0ec6 100644
--- a/src/extension/internal/vsd-input.cpp
+++ b/src/extension/internal/vsd-input.cpp
@@ -113,12 +113,7 @@ VsdImportDialog::VsdImportDialog(const std::vector<RVNGString> &vec)
      _previewArea = Gtk::manage(new class Gtk::VBox());
      vbox1 = Gtk::manage(new class Gtk::VBox());
      vbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 0);
-#if WITH_GTKMM_3_0
      this->get_content_area()->pack_start(*vbox1);
-#else
-     this->get_vbox()->pack_start(*vbox1);
-#endif
-
 
      // CONTROLS
 
@@ -140,13 +135,8 @@ VsdImportDialog::VsdImportDialog(const std::vector<RVNGString> &vec)
      g_free(label_text);
 
      // Adjustment + spinner
-#if WITH_GTKMM_3_0
-     Glib::RefPtr<Gtk::Adjustment> _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _vec.size(), 1, 10, 0);
+     auto _pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _vec.size(), 1, 10, 0);
      _pageNumberSpin = Gtk::manage(new Gtk::SpinButton(_pageNumberSpin_adj, 1, 0));
-#else
-     Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage(new class Gtk::Adjustment(1, 1, _vec.size(), 1, 10, 0));
-     _pageNumberSpin = Gtk::manage(new Gtk::SpinButton(*_pageNumberSpin_adj, 1, 0));
-#endif
      _pageNumberSpin->set_can_focus();
      _pageNumberSpin->set_update_policy(Gtk::UPDATE_ALWAYS);
      _pageNumberSpin->set_numeric(true);
diff --git a/src/extension/internal/wmf-inout.cpp b/src/extension/internal/wmf-inout.cpp
index b8b0c73de..c7226a58a 100644
--- a/src/extension/internal/wmf-inout.cpp
+++ b/src/extension/internal/wmf-inout.cpp
@@ -3193,15 +3193,15 @@ Wmf::init (void)
         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
             "<name>" N_("WMF Output") "</name>\n"
             "<id>org.inkscape.output.wmf</id>\n"
-            "<param name=\"textToPath\" gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToSymbol\" gui-text=\"" N_("Map Unicode to Symbol font") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToWingdings\" gui-text=\"" N_("Map Unicode to Wingdings") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"TnrToZapfDingbats\" gui-text=\"" N_("Map Unicode to Zapf Dingbats") "\" type=\"boolean\">true</param>\n"
-            "<param name=\"UsePUA\" gui-text=\"" N_("Use MS Unicode PUA (0xF020-0xF0FF) for converted characters") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTCharPos\" gui-text=\"" N_("Compensate for PPT font bug") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTDashLine\" gui-text=\"" N_("Convert dashed/dotted lines to single lines") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTGrad2Polys\" gui-text=\"" N_("Convert gradients to colored polygon series") "\" type=\"boolean\">false</param>\n"
-            "<param name=\"FixPPTPatternAsHatch\" gui-text=\"" N_("Map all fill patterns to standard WMF hatches") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"textToPath\" _gui-text=\"" N_("Convert texts to paths") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToSymbol\" _gui-text=\"" N_("Map Unicode to Symbol font") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToWingdings\" _gui-text=\"" N_("Map Unicode to Wingdings") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"TnrToZapfDingbats\" _gui-text=\"" N_("Map Unicode to Zapf Dingbats") "\" type=\"boolean\">true</param>\n"
+            "<param name=\"UsePUA\" _gui-text=\"" N_("Use MS Unicode PUA (0xF020-0xF0FF) for converted characters") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTCharPos\" _gui-text=\"" N_("Compensate for PPT font bug") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTDashLine\" _gui-text=\"" N_("Convert dashed/dotted lines to single lines") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTGrad2Polys\" _gui-text=\"" N_("Convert gradients to colored polygon series") "\" type=\"boolean\">false</param>\n"
+            "<param name=\"FixPPTPatternAsHatch\" _gui-text=\"" N_("Map all fill patterns to standard WMF hatches") "\" type=\"boolean\">false</param>\n"
             "<output>\n"
                 "<extension>.wmf</extension>\n"
                 "<mimetype>image/x-wmf</mimetype>\n"
diff --git a/src/extension/loader.cpp b/src/extension/loader.cpp
index 863a176ca..164a5cecf 100644
--- a/src/extension/loader.cpp
+++ b/src/extension/loader.cpp
@@ -10,8 +10,10 @@
  */
 
 #include "loader.h"
+
+#include <gmodule.h>
+
 #include "system.h"
-#include <exception>
 #include <string.h>
 #include "dependency.h"
 #include "inkscape-version.h"
diff --git a/src/extension/loader.h b/src/extension/loader.h
index 0d3a69061..0eecc02b9 100644
--- a/src/extension/loader.h
+++ b/src/extension/loader.h
@@ -14,8 +14,6 @@
 #define INKSCAPE_EXTENSION_LOADER_H_
 
 #include "extension.h"
-#include "implementation/implementation.h"
-#include <gmodule.h>
 
 
 namespace Inkscape {
diff --git a/src/extension/param/bool.cpp b/src/extension/param/bool.cpp
index de9b1c586..ca61d8c51 100644
--- a/src/extension/param/bool.cpp
+++ b/src/extension/param/bool.cpp
@@ -14,12 +14,12 @@
 #include <gtkmm/box.h>
 #include <gtkmm/spinbutton.h>
 #include <gtkmm/checkbutton.h>
+#include <glib/gi18n.h>
 
 #include "xml/node.h"
 #include "../extension.h"
 #include "bool.h"
 #include "preferences.h"
-#include <glibmm/i18n.h>
 
 namespace Inkscape {
 namespace Extension {
@@ -130,12 +130,8 @@ Gtk::Widget *ParamBool::get_widget(SPDocument * doc, Inkscape::XML::Node * node,
         return NULL;
     }
 
-#if WITH_GTKMM_3_0
-    Gtk::Box * hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 4));
+    auto hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 4));
     hbox->set_homogeneous(false);
-#else
-    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
-#endif
 
     Gtk::Label * label = Gtk::manage(new Gtk::Label(_(_text), Gtk::ALIGN_START));
     label->show();
diff --git a/src/extension/param/float.cpp b/src/extension/param/float.cpp
index 81508f6c0..23a03ea8f 100644
--- a/src/extension/param/float.cpp
+++ b/src/extension/param/float.cpp
@@ -15,12 +15,12 @@
 #include <gtkmm/scale.h>
 #include "ui/widget/spinbutton.h"
 #include "ui/widget/spin-scale.h"
+#include <glib/gi18n.h>
 
 #include "xml/node.h"
 #include "extension/extension.h"
 #include "preferences.h"
 #include "float.h"
-#include <glibmm/i18n.h>
 
 namespace Inkscape {
 namespace Extension {
@@ -177,12 +177,8 @@ Gtk::Widget * ParamFloat::get_widget(SPDocument * doc, Inkscape::XML::Node * nod
 
     Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
 
-#if WITH_GTKMM_3_0
-    ParamFloatAdjustment * pfa = new ParamFloatAdjustment(this, doc, node, changeSignal);
+    auto pfa = new ParamFloatAdjustment(this, doc, node, changeSignal);
     Glib::RefPtr<Gtk::Adjustment> fadjust(pfa);
-#else
-    ParamFloatAdjustment * fadjust = Gtk::manage(new ParamFloatAdjustment(this, doc, node, changeSignal));
-#endif
     
     if (_mode == FULL) {
 
@@ -198,11 +194,7 @@ Gtk::Widget * ParamFloat::get_widget(SPDocument * doc, Inkscape::XML::Node * nod
         label->show();
         hbox->pack_start(*label, true, true, _indent);
 
-#if WITH_GTKMM_3_0
-    Inkscape::UI::Widget::SpinButton * spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 0.1, _precision));
-#else
-    Inkscape::UI::Widget::SpinButton * spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(*fadjust, 0.1, _precision));
-#endif
+	auto spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 0.1, _precision));
         spin->show();
         hbox->pack_start(*spin, false, false);
     }
diff --git a/src/extension/param/int.cpp b/src/extension/param/int.cpp
index c286018fd..222d4f243 100644
--- a/src/extension/param/int.cpp
+++ b/src/extension/param/int.cpp
@@ -15,12 +15,12 @@
 #include <gtkmm/scale.h>
 #include "ui/widget/spinbutton.h"
 #include "ui/widget/spin-scale.h"
+#include <glib/gi18n.h>
 
 #include "xml/node.h"
 #include "extension/extension.h"
 #include "preferences.h"
 #include "int.h"
-#include <glibmm/i18n.h>
 
 namespace Inkscape {
 namespace Extension {
@@ -158,13 +158,8 @@ ParamInt::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal
 
     Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
 
-
-#if WITH_GTKMM_3_0
-    ParamIntAdjustment * pia = new ParamIntAdjustment(this, doc, node, changeSignal);
+    auto pia = new ParamIntAdjustment(this, doc, node, changeSignal);
     Glib::RefPtr<Gtk::Adjustment> fadjust(pia);
-#else
-    ParamIntAdjustment * fadjust = Gtk::manage(new ParamIntAdjustment(this, doc, node, changeSignal));
-#endif
 
     if (_mode == FULL) {
 
@@ -179,11 +174,7 @@ ParamInt::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal
         label->show();
         hbox->pack_start(*label, true, true, _indent);
 
-#if WITH_GTKMM_3_0 
-    Inkscape::UI::Widget::SpinButton * spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 1.0, 0));
-#else
-    Inkscape::UI::Widget::SpinButton * spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(*fadjust, 1.0, 0));
-#endif
+	auto spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 1.0, 0));
         spin->show();
         hbox->pack_start(*spin, false, false);
     }
diff --git a/src/extension/param/notebook.cpp b/src/extension/param/notebook.cpp
index 20c8e8481..957d12d06 100644
--- a/src/extension/param/notebook.cpp
+++ b/src/extension/param/notebook.cpp
@@ -353,11 +353,7 @@ public:
         // hook function
         this->signal_switch_page().connect(sigc::mem_fun(this, &ParamNotebookWdg::changed_page));
     };
-#if WITH_GTKMM_3_0
     void changed_page(Gtk::Widget *page, guint pagenum);
-#else
-    void changed_page(GtkNotebookPage *page, guint pagenum);
-#endif
     bool activated;
 };
 
@@ -368,11 +364,7 @@ public:
  * is actually visible. This to exclude 'fake' changes when the
  * notebookpages are added or removed.
  */
-#if WITH_GTKMM_3_0
 void ParamNotebookWdg::changed_page(Gtk::Widget * /*page*/, guint pagenum)
-#else
-void ParamNotebookWdg::changed_page(GtkNotebookPage * /*page*/, guint pagenum)
-#endif
 {
     if (get_visible()) {
         _pref->set((int)pagenum, _doc, _node);
diff --git a/src/extension/param/parameter.cpp b/src/extension/param/parameter.cpp
index 10029893f..a5632a39a 100644
--- a/src/extension/param/parameter.cpp
+++ b/src/extension/param/parameter.cpp
@@ -40,6 +40,8 @@
 #include "radiobutton.h"
 #include "string.h"
 
+#include <glibmm/i18n.h>
+
 namespace Inkscape {
 namespace Extension {
 
diff --git a/src/extension/param/radiobutton.cpp b/src/extension/param/radiobutton.cpp
index 8181c6f51..c54cc0ec3 100644
--- a/src/extension/param/radiobutton.cpp
+++ b/src/extension/param/radiobutton.cpp
@@ -303,15 +303,10 @@ Gtk::Widget * ParamRadioButton::get_widget(SPDocument * doc, Inkscape::XML::Node
         return NULL;
     }
 
-#if WITH_GTKMM_3_0
-    Gtk::Box * hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 4));
+    auto hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 4));
     hbox->set_homogeneous(false);
-    Gtk::Box * vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0));
+    auto vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0));
     vbox->set_homogeneous(false);
-#else
-    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
-    Gtk::VBox * vbox = Gtk::manage(new Gtk::VBox(false, 0));
-#endif
 
     Gtk::Label * label = Gtk::manage(new Gtk::Label(_(_text), Gtk::ALIGN_START, Gtk::ALIGN_START));
     label->show();
diff --git a/src/extension/patheffect.cpp b/src/extension/patheffect.cpp
index bedab7fd8..e30ec97df 100644
--- a/src/extension/patheffect.cpp
+++ b/src/extension/patheffect.cpp
@@ -8,7 +8,6 @@
  */
 
 #include "document-private.h"
-#include "sp-object.h"
 
 #include "patheffect.h"
 #include "db.h"
diff --git a/src/extension/plugins/grid2/grid.cpp b/src/extension/plugins/grid2/grid.cpp
index 3a2ed7867..233d4e522 100644
--- a/src/extension/plugins/grid2/grid.cpp
+++ b/src/extension/plugins/grid2/grid.cpp
@@ -114,7 +114,8 @@ Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *doc
         bounding_area = temprec;
     }
 
-    gdouble scale = Inkscape::Util::Quantity::convert(1, "px", &document->doc()->getSVGUnit());
+    double scale = document->doc()->getDocumentScale().inverse()[Geom::X];
+
     bounding_area *= Geom::Scale(scale);
     Geom::Point spacings( scale * module->get_param_float("xspacing"),
                           scale * module->get_param_float("yspacing") );
@@ -133,15 +134,9 @@ Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *doc
 
     path->setAttribute("d", path_data.c_str());
 
-    Glib::ustring style("fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#000000;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000");
-    style += ";stroke-width:";
-    gchar floatstring[64];
     std::ostringstream stringstream;
-    stringstream << line_width;
-    sprintf(floatstring, "%s", stringstream.str().c_str());
-    style += floatstring;
-    style += "pt";
-    path->setAttribute("style", style.c_str());
+    stringstream << "fill:none;stroke:#000000;stroke-width:" << line_width << "px";
+    path->setAttribute("style", stringstream.str().c_str());
 
     current_layer->appendChild(path);
     Inkscape::GC::release(path);
@@ -191,10 +186,10 @@ Grid::prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View
 {
     SPDocument * current_document = view->doc();
 
-    std::vector<SPItem*> selected = ((SPDesktop *)view)->getSelection()->itemList();
+    auto selected = ((SPDesktop *) view)->getSelection()->items();
     Inkscape::XML::Node * first_select = NULL;
     if (!selected.empty()) {
-        first_select = selected[0]->getRepr();
+        first_select = selected.front()->getRepr();
     }
 
     return module->autogui(current_document, first_select, changeSignal);
diff --git a/src/extension/prefdialog.cpp b/src/extension/prefdialog.cpp
index 0ea15a5cd..1ca590e85 100644
--- a/src/extension/prefdialog.cpp
+++ b/src/extension/prefdialog.cpp
@@ -41,11 +41,7 @@ namespace Extension {
     them.  It also places the passed-in widgets into the dialog.
 */
 PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * controls, Effect * effect) :
-#if WITH_GTKMM_3_0
     Gtk::Dialog(_(name.c_str()), true),
-#else
-    Gtk::Dialog(_(name.c_str()), true, true),
-#endif
     _help(help),
     _name(name),
     _button_ok(NULL),
@@ -68,11 +64,7 @@ PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * co
     hbox->pack_start(*controls, true, true, 6);
     hbox->show();
 
-#if WITH_GTKMM_3_0
     this->get_content_area()->pack_start(*hbox, true, true, 6);
-#else
-    this->get_vbox()->pack_start(*hbox, true, true, 6);
-#endif
 
     /*
     Gtk::Button * help_button = add_button(Gtk::Stock::HELP, Gtk::RESPONSE_HELP);
@@ -97,19 +89,10 @@ PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * co
             _param_preview = Parameter::make(doc->root(), _effect);
         }
 
-#if WITH_GTKMM_3_0
-        Gtk::Separator * sep = Gtk::manage(new Gtk::Separator());
-#else
-        Gtk::HSeparator * sep = Gtk::manage(new Gtk::HSeparator());
-#endif
-
+        auto sep = Gtk::manage(new Gtk::Separator());
         sep->show();
 
-#if WITH_GTKMM_3_0
         this->get_content_area()->pack_start(*sep, true, true, 4);
-#else
-        this->get_vbox()->pack_start(*sep, true, true, 4);
-#endif
 
         hbox = Gtk::manage(new Gtk::HBox());
         _button_preview = _param_preview->get_widget(NULL, NULL, &_signal_preview);
@@ -117,19 +100,11 @@ PrefDialog::PrefDialog (Glib::ustring name, gchar const * help, Gtk::Widget * co
         hbox->pack_start(*_button_preview, true, true,6);
         hbox->show();
 
-#if WITH_GTKMM_3_0
         this->get_content_area()->pack_start(*hbox, true, true, 6);
-#else
-        this->get_vbox()->pack_start(*hbox, true, true, 6);
-#endif
 
         Gtk::Box * hbox = dynamic_cast<Gtk::Box *>(_button_preview);
         if (hbox != NULL) {
-#if WITH_GTKMM_3_0
             _checkbox_preview = dynamic_cast<Gtk::CheckButton *>(hbox->get_children().front());
-#else
-            _checkbox_preview = dynamic_cast<Gtk::CheckButton *>(hbox->children().back().get_widget());
-#endif
         }
 
         preview_toggle();
@@ -273,7 +248,7 @@ PrefDialog::on_response (int signal) {
 
 #include "internal/clear-n_.h"
 
-const char * PrefDialog::live_param_xml = "<param name=\"__live_effect__\" type=\"boolean\" gui-text=\"" N_("Live preview") "\" gui-description=\"" N_("Is the effect previewed live on canvas?") "\" scope=\"user\">false</param>";
+const char * PrefDialog::live_param_xml = "<param name=\"__live_effect__\" type=\"boolean\" _gui-text=\"" N_("Live preview") "\" gui-description=\"" N_("Is the effect previewed live on canvas?") "\" scope=\"user\">false</param>";
 
 }; }; /* namespace Inkscape, Extension */
 
diff --git a/src/extension/system.cpp b/src/extension/system.cpp
index 3c623455a..afa8346df 100644
--- a/src/extension/system.cpp
+++ b/src/extension/system.cpp
@@ -17,12 +17,10 @@
  */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 
 #include "ui/interface.h"
-#include <unistd.h>
-#include <glibmm/miscutils.h>
 
 #include "system.h"
 #include "preferences.h"
@@ -41,6 +39,7 @@
 #include "document-undo.h"
 #include "loader.h"
 
+#include <glibmm/miscutils.h>
 
 namespace Inkscape {
 namespace Extension {