From 1406a9dab3fa6678332693bffb77707864131e27 Mon Sep 17 00:00:00 2001
From: Peter Seibel <peter@gigamonkeys.com>
Date: Sat, 19 Jul 2025 11:52:39 -0700
Subject: [PATCH] Wrap text datafile/pre/@source in CDATA

---
 pretext/lib/pretext.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pretext/lib/pretext.py b/pretext/lib/pretext.py
index a3b61a4fb5..1191e2600f 100644
--- a/pretext/lib/pretext.py
+++ b/pretext/lib/pretext.py
@@ -855,7 +855,7 @@ def datafiles_to_xml(xml_source, pub_file, stringparams, xmlid_root, dest_dir):
     # Each file receives a single element as its root
     # element. These are templates for that entry
     image_info = '<pi:image-b64 xmlns:pi="http://pretextbook.org/2020/pretext/internal" pi:mime-type="{}" pi:base64="{}"/>'
-    text_info  = '<pi:text-file xmlns:pi="http://pretextbook.org/2020/pretext/internal">{}</pi:text-file>'
+    text_info  = '<pi:text-file xmlns:pi="http://pretextbook.org/2020/pretext/internal"><![CDATA[{}]]></pi:text-file>'
 
     # read lines, one-per-binary
     with open(the_files, "r") as datafile_list: