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author | Philipp Stephani <phst@google.com> | 2016-10-02 19:58:39 +0200 |
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committer | Philipp Stephani <phst@google.com> | 2016-10-03 12:10:41 +0200 |
commit | 74b4f13842f3119f98797ea76d9be42457b330e1 (patch) | |
tree | 9555b9adc6243bef2dfd34cd766433ace00ff41a /src/editfns.c | |
parent | 9fc81bcf74a3cf710b6a014ec3a490ad713a0775 (diff) | |
download | emacs-74b4f13842f3119f98797ea76d9be42457b330e1.tar.gz |
Document nil args of compare-buffer-substrings
* editfns.c (Fcompare_buffer_substrings): Document behavior when
the arguments are nil.
Diffstat (limited to 'src/editfns.c')
-rw-r--r-- | src/editfns.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) |