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Changes between Initial Version and Version 1 of Ticket #34496

-              initial
+              v1
 For whatever change you prefer, I can make a PR. Thank you. I hope the fix can also be applied in 4.2.
+== Post Scriptum
+I noticed, for complete backwards compatibility prior to named patterns, the template should also have a fallback for this.
+Current:
+{{{
+            matches["url"] = unquote(transformed_url)
+            return template % matches
+}}}
+Proposed change:
+{{{
+            try:
+                  # Remain backwards compatible prior to changing to named template strings
+                  return template % unquote(transformed_url)
+            except TypeError:
+                  # Template string is thus a named template string
+                  return template % {"url": unquote(transformed_url)}
+}}}