diff --git a/doc/lighttpd.conf b/doc/lighttpd.conf
index bebf846d..86fc93ec 100644
--- a/doc/lighttpd.conf
+++ b/doc/lighttpd.conf
@@ -254,6 +254,10 @@ static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )
 #### url handling modules (rewrite, redirect, access)
 #url.rewrite                = ( "^/$"             => "/server-status" )
 #url.redirect               = ( "^/wishlist/(.+)" => "http://www.123.org/$1" )
+#### both rewrite/redirect support back reference to regex conditional using %n
+#$HTTP["host"] =~ "^www\.(.*)" {
+#  url.redirect            = ( "^/(.*)" => "http://%1/$1" )
+#}
 
 #
 # define a pattern for the host url finding
diff --git a/doc/redirect.txt b/doc/redirect.txt
index 10c6a16a..eea05d29 100644
--- a/doc/redirect.txt
+++ b/doc/redirect.txt
@@ -34,3 +34,6 @@ url.redirect
     url.redirect = ( "^/show/([0-9]+)/([0-9]+)$" => "http://www.example.org/show.php?isdn=$1&page$2",
                      "^/get/([0-9]+)/([0-9]+)$"  => "http://www.example.org/get.php?isdn=$1&page$2" )
 
+    $HTTP["host"] =~ "^www\.(.*)" {
+      url.redirect = ( "^/(.*)" => "http://%1/$1" )
+    }
diff --git a/doc/rewrite.txt b/doc/rewrite.txt
index b5854948..d5277ff4 100644
--- a/doc/rewrite.txt
+++ b/doc/rewrite.txt
@@ -51,3 +51,7 @@ query-string.::
 
   url.rewrite-once = ( "^/id/([0-9]+)$" => "/index.php?id=$1",
                        "^/link/([a-zA-Z]+)" => "/index.php?link=$1" )
+
+  $HTTP["host"] =~ "^([^.]+)\.(this-is-mass-vhost\.com)" {
+    url.rewrite-once = ( "^/(.*)" => "/%2/%1/$1" )
+  }