diff -urN ../htmllint.orig/htmllint.pm ./htmllint.pm
--- ../htmllint.orig/htmllint.pm	Wed Aug 29 23:16:00 2012
+++ ./htmllint.pm	Tue Sep  4 22:58:00 2012
@@ -3346,6 +3346,7 @@
 {
   my $url = shift;
   $url =~ s/^\s*//;
+  $url =~ s/\s*$//;
   my $proto = ($url =~ s#^(\w*:)##)? lc($1): '';
   my $host = ($url =~ s#^(//[^/]*)##)? $1: '';
   my $port = '';