diff options
| -rw-r--r-- | doc/lispref/backups.texi | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/doc/lispref/backups.texi b/doc/lispref/backups.texi index e651ef8c554..379279575ca 100644 --- a/doc/lispref/backups.texi +++ b/doc/lispref/backups.texi @@ -467,27 +467,26 @@ non-@code{nil} and @code{buffer-saved-size} (see below) is non-zero. @end deffn @defvar auto-save-file-name-transforms -This variable lists transforms to apply to buffer file name before -making auto-save file name. +This variable lists transforms to apply to buffer's file name before +making the auto-save file name. -Each transform is a list of the form @code{(@var{regexp} -@var{replacement} [@var{uniquify}])}: @var{regexp} is a regular -expression to match against the file name. If it matches, +Each transform is a list of the form @w{@code{(@var{regexp} +@var{replacement} [@var{uniquify}])}}. @var{regexp} is a regular +expression to match against the file name; if it matches, @code{replace-match} is used to replace the matching part with @var{replacement}. If the optional element @var{uniquify} is non-nil, -the auto-save file name is constructed by taking the directory part of -the replaced file-name, concatenated with the buffer file name with -all directory separators changed to @samp{!} to prevent clashes. This -will not work correctly if your filesystem truncates the resulting -name. +the auto-save file name is constructed by concatenating the directory +part of the transformed file name with the buffer's file name in which +all directory separators were changed to @samp{!} to prevent clashes. +(This will not work correctly if your filesystem truncates the +resulting name.) All the transforms in the list are tried, in the order they are listed. When one transform applies, its result is final; no further transforms are tried. -The default value is set up to put the auto-save file into the -temporary directory (@pxref{Unique File Names}) for editing a -remote file. +The default value is set up to put the auto-save files of remote files +into the temporary directory (@pxref{Unique File Names}). On MS-DOS filesystems without long names this variable is always ignored. |