Modified html2x.pl URL validation regex:

+ allow port number in URL
+ allow : in URL path


git-svn-id: https://pandoc.googlecode.com/svn/trunk@1024 788f1e2b-df1e-0410-8736-df70ead52e1b

web/html2x.pl

@@ -19,7 +19,7 @@ if ($format =~ /^markdown\+$/) {
 }
 
 # Validate URL and format
-unless ($url =~ /^(https?:\/\/)?[\w#_-]+(\.[\w#_-]+)+[\w\/#=?_.-]*$/) {
+unless ($url =~ /^(https?:\/\/)?[\w#_-]+(\.[\w#_-]+)+(:\d+)?[\w\/#=:?_.-]*$/) {
   die "Illegal URL: $url\n" ;
 }
 unless ($format =~ /^markdown\+?|rst|latex|context|rtf|man|docbook$/) {