diff -r 957a0fc20021 roundup/cgi/templating.py
--- a/roundup/cgi/templating.py	Sun Oct 25 16:12:15 2020 -0400
+++ b/roundup/cgi/templating.py	Wed Oct 28 09:26:31 2020 +0100
@@ -1621,6 +1621,11 @@
             return match.group(0)
 
     def _hyper_repl_markdown(self, match):
+        if match.group('url'):
+            s = match.group('url')
+            return '<%s>' % s
+        elif match.group('email'):
+            return '<%s>' % s
         if match.group('id') and len(match.group('id')) < 10:
             return self._hyper_repl_item(match,'[%(item)s](%(cls)s%(id)s)')
         else: