• Mattias Engdegård's avatar
    Don't use file notification on non-file buffers · 1943220d
    Mattias Engdegård authored
    Allow non-file buffers to declare that notification on their
    default-directory is sufficient to know when auto-revert updates are
    required by setting the new variable `buffer-auto-revert-by-notification'
    to non-nil.  If nil, the default, then auto-revert will poll
    those buffers instead. (bug#35418).
    Currently, only Dired sets that variable.
    
    * lisp/autorevert.el (auto-revert-buffers):
    Modify condition for using notification.
    * lisp/files.el (buffer-auto-revert-by-notification): New variable.
    * lisp/dired.el (dired-mode): Set buffer-auto-revert-by-notification.
    * doc/emacs/arevert-xtra.texi (Non-File Buffers): Document new variable.
    * etc/NEWS (Changes in Specialized Modes and Packages): Describe new variable.
    1943220d
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