* net/tramp.el (tramp-remote-process-environment): Protect version

* net/tramp.el (tramp-remote-process-environment): Protect version
string by apostroph.
(tramp-shell-prompt-pattern): Do not use a shy group in case of
XEmacs.
(tramp-file-name-for-operation): Add `call-process-region'.
(tramp-set-process-query-on-exit-flag): Fix wrong parentheses.

* net/tramp-compat.el (top): Do not autoload
`tramp-handle-file-remote-p'.  Load tramp-util.el and tramp-vc.el
only when `start-file-process' is not bound.
(tramp-advice-file-expand-wildcards): Do not use
`tramp-handle-file-remote-p'.
(tramp-compat-make-temp-file): Handle the case, that
`make-temp-file' has no third argument EXTENSION.