--- loncom/loncapa_apache.conf	2015/03/11 23:25:33	1.215.2.14
+++ loncom/loncapa_apache.conf	2015/05/28 20:40:53	1.215.2.15
@@ -2,7 +2,7 @@
 ## loncapa_apache.conf -- Apache HTTP LON-CAPA configuration file
 ##
 
-# $Id: loncapa_apache.conf,v 1.215.2.14 2015/03/11 23:25:33 raeburn Exp $
+# $Id: loncapa_apache.conf,v 1.215.2.15 2015/05/28 20:40:53 raeburn Exp $
 
 #
 # LON-CAPA Section (extensions to httpd.conf daemon configuration)
@@ -281,7 +281,7 @@ ErrorDocument     406 /adm/unauthorized
 ErrorDocument	  500 /adm/errorhandler
 </LocationMatch>
 
-<LocationMatch "^/+webdav/[\w\-]+/[\w\-]+/">
+<LocationMatch "^/+webdav/[\w\-.]+/\w[\w.\-\@]+/">
   <IfModule mod_dav.c>
     <IfModule mod_ssl.c>
       AuthType Basic