From c220ea73ff3c6fa59b75837c950cc729295f2038 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Fri, 8 Feb 2013 16:27:04 +0200 Subject: src/xdisp.c: Fix commentary of display_count_lines. --- src/xdisp.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/xdisp.c b/src/xdisp.c index 9fd4f637b64..c0dafc820ce 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -21816,11 +21816,15 @@ decode_mode_spec (struct window *w, register int c, int field_width, } -/* Count up to COUNT lines starting from START_BYTE. - But don't go beyond LIMIT_BYTE. - Return the number of lines thus found (always nonnegative). - - Set *BYTE_POS_PTR to 1 if we found COUNT lines, 0 if we hit LIMIT. */ +/* Count up to COUNT lines starting from START_BYTE. COUNT negative + means count lines back from START_BYTE. But don't go beyond + LIMIT_BYTE. Return the number of lines thus found (always + nonnegative). + + Set *BYTE_POS_PTR to the byte position where we stopped. This is + either the position COUNT lines after/before START_BYTE, if we + found COUNT lines, or LIMIT_BYTE if we hit the limit before finding + COUNT lines. */ static ptrdiff_t display_count_lines (ptrdiff_t start_byte, -- cgit v1.2.1