Index: test/test_templating.py
===================================================================
--- test/test_templating.py	(revision 81591)
+++ test/test_templating.py	(working copy)
@@ -147,9 +147,23 @@
         p = StringHTMLProperty(self.client, 'test', '1', None, 'test', '')
         def t(s): return p.hyper_re.sub(p._hyper_repl, s)
         ae = self.assertEquals
-        ae(t('http://roundup.net/'), '<a href="http://roundup.net/">http://roundup.net/</a>')
-        ae(t('&lt;HTTP://roundup.net/&gt;'), '&lt;<a href="HTTP://roundup.net/">HTTP://roundup.net/</a>&gt;')
-        ae(t('&lt;www.roundup.net&gt;'), '&lt;<a href="http://www.roundup.net">www.roundup.net</a>&gt;')
+        ae(t('http://roundup.net/'),
+           '<a href="http://roundup.net/">http://roundup.net/</a>')
+        ae(t('&lt;HTTP://roundup.net/&gt;'),
+           '&lt;<a href="HTTP://roundup.net/">HTTP://roundup.net/</a>&gt;')
+        ae(t('&lt;www.roundup.net&gt;'),
+           '&lt;<a href="http://www.roundup.net">www.roundup.net</a>&gt;')
+        ae(t('(www.roundup.net)'),
+           '(<a href="http://www.roundup.net">www.roundup.net</a>)')
+        ae(t('foo http://msdn.microsoft.com/en-us/library/ms741540(VS.85).aspx bar'),
+           'foo <a href="http://msdn.microsoft.com/en-us/library/ms741540(VS.85).aspx">'
+           'http://msdn.microsoft.com/en-us/library/ms741540(VS.85).aspx</a> bar')
+        ae(t('(e.g. http://en.wikipedia.org/wiki/Python_(programming_language))'),
+           '(e.g. <a href="http://en.wikipedia.org/wiki/Python_(programming_language)">'
+           'http://en.wikipedia.org/wiki/Python_(programming_language)</a>)')
+        ae(t('(e.g. http://en.wikipedia.org/wiki/Python_(programming_language)).'),
+           '(e.g. <a href="http://en.wikipedia.org/wiki/Python_(programming_language)">'
+           'http://en.wikipedia.org/wiki/Python_(programming_language)</a>).')
 
 '''
 class HTMLPermissions:
Index: roundup/cgi/templating.py
===================================================================
--- roundup/cgi/templating.py	(revision 81591)
+++ roundup/cgi/templating.py	(working copy)
@@ -1343,16 +1343,21 @@
             u = s = match.group('url')
             if not self.protocol_re.search(s):
                 u = 'http://' + s
-            # catch an escaped ">" at the end of the URL
             if s.endswith('&gt;'):
+                # catch an escaped ">" at the end of the URL
                 u = s = s[:-4]
                 e = '&gt;'
+            elif s.count('(') != s.count(')'):
+                # don't include extraneous ')' in the link
+                pos = s.rfind(')')
+                e = s[pos:]
+                u = s = s[:pos]
             else:
                 e = ''
-            return '<a href="%s">%s</a>%s'%(u, s, e)
+            return '<a href="%s">%s</a>%s' % (u, s, e)
         elif match.group('email'):
             s = match.group('email')
-            return '<a href="mailto:%s">%s</a>'%(s, s)
+            return '<a href="mailto:%s">%s</a>' % (s, s)
         elif len(match.group('id')) < 10:
             return self._hyper_repl_item(match,
                 '<a href="%(cls)s%(id)s">%(item)s</a>')