--- Trac-1.5.3/trac/util/html.py~	2021-05-09 18:08:49.000000000 -0500
+++ Trac-1.5.3/trac/util/html.py	2022-12-07 14:36:09.258643955 -0600
@@ -25,6 +25,10 @@
 from html.parser import HTMLParser
 
 from markupsafe import Markup, escape as escape_quotes
+try:
+    from markupsafe import soft_str as soft_unicode
+except ImportError:
+    from markupsafe import soft_unicode
 
 try:
     from babel.support import LazyProxy