From 74b4f13842f3119f98797ea76d9be42457b330e1 Mon Sep 17 00:00:00 2001 From: Philipp Stephani Date: Sun, 2 Oct 2016 19:58:39 +0200 Subject: [PATCH] Document nil args of compare-buffer-substrings * editfns.c (Fcompare_buffer_substrings): Document behavior when the arguments are nil. --- src/editfns.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/editfns.c b/src/editfns.c index 51b87de8821..4e90dad568f 100644 --- a/src/editfns.c +++ b/src/editfns.c @@ -2892,6 +2892,10 @@ Return -N if first string is less after N-1 chars, +N if first string is greater after N-1 chars, or 0 if strings match. The first substring is in BUFFER1 from START1 to END1 and the second is in BUFFER2 from START2 to END2. +All arguments may be nil. If BUFFER1 or BUFFER2 is nil, the current +buffer is used. If START1 or START2 is nil, the value of `point-min' +in the respective buffers is used. If END1 or END2 is nil, the value +of `point-max' in the respective buffers is used. The value of `case-fold-search' in the current buffer determines whether case is significant or ignored. */) (Lisp_Object buffer1, Lisp_Object start1, Lisp_Object end1, Lisp_Object buffer2, Lisp_Object start2, Lisp_Object end2) -- 2.39.2