From 3065e264e8e7a4b564b61c25d3897757bb0c8c91 Mon Sep 17 00:00:00 2001
From: Patrick Storz <eduard.braun2@gmx.de>
Date: Wed, 30 Oct 2019 18:06:17 +0100
Subject: PDF+LaTeX export: escape ampersands

Fixes https://gitlab.com/inkscape/inbox/issues/1104
---
 src/extension/internal/latex-text-renderer.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/extension/internal/latex-text-renderer.cpp')

diff --git a/src/extension/internal/latex-text-renderer.cpp b/src/extension/internal/latex-text-renderer.cpp
index ad918d826..35cbb4544 100644
--- a/src/extension/internal/latex-text-renderer.cpp
+++ b/src/extension/internal/latex-text-renderer.cpp
@@ -21,10 +21,12 @@
 #include <csignal>
 #include <cerrno>
 
+#include <glibmm/i18n.h>
+#include <glibmm/regex.h>
+
 #include "libnrtype/Layout-TNG.h"
 #include <2geom/transforms.h>
 #include <2geom/rect.h>
-#include <glibmm/i18n.h>
 
 #include "object/sp-item.h"
 #include "object/sp-item-group.h"
@@ -364,6 +366,10 @@ void LaTeXTextRenderer::sp_text_render(SPText *textobj)
             Inkscape::Text::Layout::iterator ln = li; 
             ln.nextStartOfSpan();
             Glib::ustring uspanstr = sp_te_get_string_multiline (textobj, li, ln);
+
+            // escape ampersands
+            uspanstr = Glib::Regex::create("&")->replace_literal(uspanstr, 0, "\\&", (Glib::RegexMatchFlags)0);
+
             const gchar *spanstr = uspanstr.c_str();
             if (!spanstr) {
                 continue;
-- 
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