* net/tramp.el (tramp-handle-substitute-in-file-name): Don't

* net/tramp.el (tramp-handle-substitute-in-file-name): Don't
expand the remote connection identification.
(tramp-find-shell, tramp-open-connection-setup-interactive-shell):
Set also $PS2 and $PS3 when setting $PS1.  Check for shell echoing
before calling stty.

* net/tramp-cache.el (tramp-cache-print)
(tramp-dump-connection-properties): Fix docstring.
(tramp-list-connections): Renamed from
`tramp-cache-list-connections'.

* net/tramp-cmds.el (tramp-cleanup-connection): Apply it.

* net/tramp-ftp.el (tramp-ftp-file-name-handler): Don't expand the
remote connection identification when setting connection property.

* net/tramp-smb.el (tramp-smb-handle-substitute-in-file-name):
"//" substitutes only in the local filename part.