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Update revert-buffer documentation

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* doc/emacs/files.texi (Reverting): Document that revert-buffer
does keep undo history.  (Bug#33084)

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Mauro Aranda 2018-10-18 11:28:18 -03:00 • committed by Eli Zaretskii
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commit f632ecbb99
1 changed files with 4 additions and 4 deletions
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doc/emacs/files.texi
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@ -926,10 +926,10 @@ way that, if the file was edited only slightly, you will be at
approximately the same part of the text as before. But if you have
made major changes, point may end up in a totally different location.
Reverting marks the buffer as not modified. It also clears the
buffer's undo history (@pxref{Undo}). Thus, the reversion cannot be
undone---if you change your mind yet again, you can't use the undo
commands to bring the reverted changes back.
Reverting marks the buffer as not modified. However, it adds the
reverted changes as a single modification to the buffer's undo
history (@pxref{Undo}). Thus, after reverting, you can do @kbd{C-/}
to bring the reverted changes back, if you happen to change your mind.
Some kinds of buffers that are not associated with files, such as
Dired buffers, can also be reverted. For them, reverting means