diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/subr.el | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lisp/subr.el b/lisp/subr.el index a2af6421173..5f8d830051c 100644 --- a/lisp/subr.el +++ b/lisp/subr.el @@ -3457,6 +3457,8 @@ See also `with-temp-file' and `with-output-to-string'." (defmacro with-silent-modifications (&rest body) "Execute BODY, pretending it does not modify the buffer. +This macro is Typically used around modifications of +text-properties which do not really affect the buffer's content. If BODY performs real modifications to the buffer's text, other than cosmetic ones, undo data may become corrupted. @@ -3464,10 +3466,7 @@ This macro will run BODY normally, but doesn't count its buffer modifications as being buffer modifications. This affects things like `buffer-modified-p', checking whether the file is locked by someone else, running buffer modification hooks, and other things -of that nature. - -Typically used around modifications of text-properties which do -not really affect the buffer's content." +of that nature." (declare (debug t) (indent 0)) (let ((modified (make-symbol "modified"))) `(let* ((,modified (buffer-modified-p)) |