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| author | Alan Mackenzie <acm@muc.de> | 2017-02-12 10:59:03 +0000 |
|---|---|---|
| committer | Alan Mackenzie <acm@muc.de> | 2017-02-12 10:59:03 +0000 |
| commit | f4d5b687150810129b7a1d5b006e31ccf82b691b (patch) | |
| tree | 4229b13800349032697daae3904dc3773e6b7a80 /doc/lispref/files.texi | |
| parent | d5514332d4a6092673ce1f78fadcae0c57f7be64 (diff) | |
| parent | 148100d98319499f0ac6f57b8be08cbd14884a5c (diff) | |
| download | emacs-comment-cache.tar.gz | |
Merge branch 'master' into comment-cachecomment-cache
Diffstat (limited to 'doc/lispref/files.texi')
| -rw-r--r-- | doc/lispref/files.texi | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi index 853e84477e2..ef373211415 100644 --- a/doc/lispref/files.texi +++ b/doc/lispref/files.texi @@ -368,17 +368,21 @@ asks the user about each buffer. But if @var{save-silently-p} is non-@code{nil}, it saves all the file-visiting buffers without querying the user. -The optional @var{pred} argument controls which buffers to ask about -(or to save silently if @var{save-silently-p} is non-@code{nil}). -If it is @code{nil}, that means to ask only about file-visiting buffers. -If it is @code{t}, that means also offer to save certain other non-file -buffers---those that have a non-@code{nil} buffer-local value of -@code{buffer-offer-save} (@pxref{Killing Buffers}). A user who says -@samp{yes} to saving a non-file buffer is asked to specify the file -name to use. The @code{save-buffers-kill-emacs} function passes the -value @code{t} for @var{pred}. - -If @var{pred} is neither @code{t} nor @code{nil}, then it should be +@vindex save-some-buffers-default-predicate +The optional @var{pred} argument provides a predicate that controls +which buffers to ask about (or to save silently if +@var{save-silently-p} is non-@code{nil}). If @var{pred} is +@code{nil}, that means to use the value of +@code{save-some-buffers-default-predicate} instead of @var{pred}. If +the result is @code{nil}, it means ask only about file-visiting +buffers. If it is @code{t}, that means also offer to save certain +other non-file buffers---those that have a non-@code{nil} buffer-local +value of @code{buffer-offer-save} (@pxref{Killing Buffers}). A user +who says @samp{yes} to saving a non-file buffer is asked to specify +the file name to use. The @code{save-buffers-kill-emacs} function +passes the value @code{t} for @var{pred}. + +If the predicate is neither @code{t} nor @code{nil}, then it should be a function of no arguments. It will be called in each buffer to decide whether to offer to save that buffer. If it returns a non-@code{nil} value in a certain buffer, that means do offer to save that buffer. |