From: Michael Albinus Date: Tue, 25 Aug 2009 08:31:42 +0000 (+0000) Subject: * processes.texi (Synchronous Processes): New defvar process-file-side-effects. X-Git-Tag: emacs-pretest-23.1.90~1699 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=3691a0a63892879761de7d19af1b19e104ba9f65;p=emacs.git * processes.texi (Synchronous Processes): New defvar process-file-side-effects. --- diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog index 5989793d2c6..081990300b9 100644 --- a/doc/lispref/ChangeLog +++ b/doc/lispref/ChangeLog @@ -1,3 +1,8 @@ +2009-08-25 Michael Albinus + + * processes.texi (Synchronous Processes): New defvar + process-file-side-effects. + 2009-08-25 Glenn Morris * display.texi (Fontsets): Fix typo. diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi index 268cec388d0..b198abb91f4 100644 --- a/doc/lispref/processes.texi +++ b/doc/lispref/processes.texi @@ -404,6 +404,19 @@ names as relative to @code{default-directory}. The function file names. @end defun +@defvar process-file-side-effects +This variable indicates, whether a call of @code{process-file} changes +remote files. + +Per default, this variable is always set to @code{t}, meaning that a +call of @code{process-file} could potentially change any file on a +remote host. When set to @code{nil}, a file handler could optimize +its behaviour with respect to remote file attributes caching. + +This variable should never be changed by @code{setq}. Instead of, it +shall be set only by let-binding. +@end defvar + @defun call-process-region start end program &optional delete destination display &rest args This function sends the text from @var{start} to @var{end} as standard input to a process running @var{program}. It deletes the text