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)
*** failed to import extension badext: bit bucket overflow
extension 'hgext.gpg' overrides commands: sigs sigcheck sign
hg help [COMMAND]
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