From e6d3f0908eb8ceeb3720c5031109d2cda805f0ac Mon Sep 17 00:00:00 2001 From: Stefan Monnier Date: Wed, 15 Aug 2007 20:05:40 +0000 Subject: [PATCH] (reset_var_on_error): Improve comment. --- src/insdel.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/insdel.c b/src/insdel.c index 19823623091..cd8e2738f9a 100644 --- a/src/insdel.c +++ b/src/insdel.c @@ -2138,10 +2138,11 @@ prepare_to_modify_buffer (start, end, preserve_ptr) (! NILP (end_marker) ? Fmarker_position (end_marker) : end) /* Set a variable to nil if an error occurred. - VAL is a cons-cell whose car is the variable name, and whose cdr is - either nil (to mean that there was indeed an error), or non-nil to mean - that the was no error (which thus causes this function to do - nothing). */ + Don't change the variable if there was no error. + VAL is a cons-cell (VARIABLE . NO-ERROR-FLAG). + VARIABLE is the variable to maybe set to nil. + NO-ERROR-FLAG is nil if there was an error, + anything else meaning no error (so this function does nothing). */ Lisp_Object reset_var_on_error (val) Lisp_Object val; -- 2.39.2