From 1079aed34851b7aae9fe2de36b25a8973d884a1e Mon Sep 17 00:00:00 2001
From: Eric Marsden <eric.marsden@foncsi.org>
Date: Thu, 18 Aug 2022 19:07:50 +0200
Subject: [PATCH] Encode SVG image data as UTF-8 before calling lxml cleaner

---
 share/templates/classic/base.html.j2 | 2 +-
 share/templates/lab/base.html.j2     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/share/templates/classic/base.html.j2 b/share/templates/classic/base.html.j2
index da3458270..f5fe280c3 100644
--- a/share/templates/classic/base.html.j2
+++ b/share/templates/classic/base.html.j2
@@ -131,7 +131,7 @@ unknown type  {{ cell.type }}
 {%- if output.svg_filename %}
 <img src="{{ output.svg_filename | posix_path | escape_html }}">
 {%- else %}
-{{ output.data['image/svg+xml'] | clean_html }}
+{{ output.data['image/svg+xml'].encode("utf-8") | clean_html }}
 {%- endif %}
 </div>
 {%- endblock data_svg %}
diff --git a/share/templates/lab/base.html.j2 b/share/templates/lab/base.html.j2
index af194938b..248b1edf9 100644
--- a/share/templates/lab/base.html.j2
+++ b/share/templates/lab/base.html.j2
@@ -163,7 +163,7 @@ unknown type  {{ cell.type }}
 {%- if output.svg_filename %}
 <img src="{{ output.svg_filename | posix_path | escape_html }}">
 {%- else %}
-{{ output.data['image/svg+xml'] | clean_html }}
+{{ output.data['image/svg+xml'].encode("utf-8") | clean_html }}
 {%- endif %}
 </div>
 {%- endblock data_svg %}