* server.el (server-temp-file-p): Use `string-match-p'.

* server.el (server-temp-file-p): Use `string-match-p'.
  (server-socket-dir): Set to nil if local sockets are unsupported.
  (server-start): Don't try to delete local socket if unsupported.
  (server-kill-new-buffers): Reflow docstring.
  (server-delete-client, server-handle-delete-frame)
  (server-save-buffers-kill-terminal): Doc fixes.
  (server-send-string): Fix typo in docstring.