From beb388a30d638e0dc0a421b40c76b5d96001d1d5 Mon Sep 17 00:00:00 2001
From: Paul Culley <paulr2787@gmail.com>
Date: Mon, 14 Sep 2020 11:00:43 -0500
Subject: [PATCH] Fix svgdrawdoc for text containing XML invalid characters
 (#1110)

Fixes #11929
---
 gramps/plugins/docgen/svgdrawdoc.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gramps/plugins/docgen/svgdrawdoc.py b/gramps/plugins/docgen/svgdrawdoc.py
index 377573ad1..e60c2c29f 100644
--- a/gramps/plugins/docgen/svgdrawdoc.py
+++ b/gramps/plugins/docgen/svgdrawdoc.py
@@ -31,7 +31,7 @@ SVG document generator.
 #
 #-------------------------------------------------------------------------
 from io import StringIO
-
+from xml.sax.saxutils import escape
 #-------------------------------------------------------------------------
 #
 # Gramps modules
@@ -147,7 +147,7 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
             linex = xpos + (width - self.string_width(font, line)) / 2
             self.buffer.write(
                 '<tspan x="%4.2f" dy="%d">' % (linex, size) +
-                line +
+                escape(line) +
                 '</tspan>'
                 )
         self.buffer.write('</text>\n')
@@ -273,7 +273,7 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
                     self.buffer.write(' font-family:serif;')
                 self.buffer.write(
                     '">' +
-                    line +
+                    escape(line) +
                     '</text>\n'
                     )
 
@@ -307,7 +307,7 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
             self.buffer.write('font-family:serif;')
         self.buffer.write(
             '">' +
-            text +
+            escape(text) +
             '</text>\n'
             )