Commit 789ee3e1 authored by Michael Albinus's avatar Michael Albinus

Handle connection-local null-device and path-separator variables

* doc/lispref/os.texi (System Environment): Add `path-separator'
function and `null-device' variable and function.

* etc/NEWS: Mention 'null-device' and 'path-separator'.  Fix typos.

* lisp/files-x.el (path-separator, null-device): New defuns.  (Bug#3736)

* lisp/net/tramp-adb.el
(tramp-adb-connection-local-default-shell-variables): Rename from
`tramp-adb-connection-local-default-profile'.

* lisp/net/tramp-integration.el
(tramp-connection-local-default-system-variables): New defvar.
Add it to connection-local profiles.
(tramp-connection-local-default-shell-variables): Rename from
`tramp-connection-local-default-profile'.

* lisp/progmodes/grep.el (grep-hello-file): New defun.
(grep-compute-defaults): Use `null-device' function for remote
case. Handle remote `hello-file'.  Use `process-file-shell-command'.
(grep,grep-expand-keywords, lgrep): Use `null-device' function for
remote case.
parent 2c768773
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