diff -r d23197e08d05 -r e5788269741a mercurial/templatefilters.py
--- a/mercurial/templatefilters.py	Thu Apr 05 19:23:04 2012 +0200
+++ b/mercurial/templatefilters.py	Wed Mar 28 16:06:20 2012 +0200
@@ -336,9 +336,14 @@
     return urllib.quote(text)
 
 def userfilter(text):
-    """:user: Any text. Returns the user portion of an email address."""
+    """:user: Any text. Returns a short representation of a user name or email
+    address."""
     return util.shortuser(text)
 
+def emailuser(text):
+    """:emailuser: Any text. Returns the user portion of an email address."""
+    return util.emailuser(text)
+
 def xmlescape(text):
     text = (text
             .replace('&', '&')
@@ -382,6 +387,7 @@
     "tabindent": tabindent,
     "urlescape": urlescape,
     "user": userfilter,
+    "emailuser": emailuser,
     "xmlescape": xmlescape,
 }