diff options
Diffstat (limited to 'doc/emacs/files.texi')
| -rw-r--r-- | doc/emacs/files.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/emacs/files.texi b/doc/emacs/files.texi index 9c5305acf60..ccdeef414e2 100644 --- a/doc/emacs/files.texi +++ b/doc/emacs/files.texi @@ -779,6 +779,12 @@ operations typically break hard links, disconnecting the file name you visited from any alternate names for the same file. This has nothing to do with Emacs---the version control system does it. + Some file storage services support @dfn{file versioning}: they +record history of previous versions of files, and allow reverting to +those previous versions. If you want to be able to do that with files +hosted by those services when editing them with Emacs, customize +@code{backup-by-copying} to a non-@code{nil} value. + @node Customize Save @subsection Customizing Saving of Files @@ -1061,6 +1067,7 @@ revert it automatically if it has changed---provided the buffer itself is not modified. (If you have edited the text, it would be wrong to discard your changes.) +@kindex C-x x g @vindex revert-buffer-quick-short-answers @findex revert-buffer-quick The @kbd{C-x x g} keystroke is bound to the @@ -2391,7 +2398,7 @@ multiply the size by the factor of @w{@code{1 + @var{n} / 10}}, so @findex image-decrease-size @kindex i - (Image mode) @item i - -Decrease the image size (@code{image-increase-size}) by 20%. Prefix +Decrease the image size (@code{image-decrease-size}) by 20%. Prefix numeric argument controls the decrement; the value of @var{n} means to multiply the size by the factor of @w{@code{1 - @var{n} / 10}}, so @w{@kbd{C-u 3 i -}} means to decrease the size by 30%. |