Fix an XHTML validation error.

docs/Changelog

@@ -5,6 +5,9 @@ pisg (0.69) - ??
        (thanks to Ian Rutson).
    * Parsers:
      + Finally add miau parser by Kresten Kjeldgaard.
+   Torbjörn:
+   * Bug fixes:
+     + Fix urlencode to encode '&' (thanks to Thomas Whaples).
 
 pisg (0.68) - Mon Mar, 13th 2006
    Christoph:

modules/Pisg/Common.pm

@@ -204,7 +204,7 @@ sub htmlentities
 sub urlencode
 {
     my $str = shift;
-    $str =~ s/([^\w_.\/?&=:+-])/sprintf "%%%02X", ord($1)/ge;
+    $str =~ s/([^\w_.\/?=:+-])/sprintf "%%%02X", ord($1)/ge;
     return $str;
 }