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)

%% Should show unknown
? unknown
removing b
%% Should show unknown and b removed
R b
? unknown
%% Should show a and unknown
a
unknown