> + Listed as "safe" in RFC 1738; RFC 2396 "reserved in context" This one looks the best to me now. > , Used in dynamic URLs created by some app servers; RFC 1738 "extra", > RFC 2396 "reserved in context" I've got problems passing URLs containing commas to Netscape's -remote feature, so I think this would be a bad choice. --Guido van Rossum (home page: http://www.python.org/~guido/)