recognize user:password in URLs that include port numbers. when giving user/pwd in an URL, eg. hg pull http://user:pwd@host.com:666/hg/something, hg would still ask for user/pwd in interactive mode (or fail in non-interactive)

adding a
diff -r 107ba6f817b5 -r 310ce7989cdc a
--- a/a	Thu Jan 01 00:00:01 1970 +0000
+++ b/a	Thu Jan 01 00:00:02 1970 +0000
@@ -1,2 +1,3 @@ confuse str.splitlines
 confuse str.splitlines
 embedded
newline
+clean diff