From 0d8ca682a8e28a86fff1ed2d1f70a9cc02caf4c2 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Wed, 17 Sep 2008 02:28:13 +0000
Subject: improve comment

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@724 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 editor/pnmcrop.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'editor/pnmcrop.c')

diff --git a/editor/pnmcrop.c b/editor/pnmcrop.c
index 114e3a3d..a98c6f60 100644
--- a/editor/pnmcrop.c
+++ b/editor/pnmcrop.c
@@ -255,7 +255,9 @@ findBordersInImage(FILE *         const ifP,
     int row;
     bool gottop;
     int left, right, bottom, top;
-        /* leftmost, etc. nonbackground pixel found so far; -1 for none */
+        /* leftmost, etc. nonbackground pixel found so far.
+           Can be just off the edge of the image, so -1 or 'cols' or 'rows'
+        */
 
     xelrow = pnm_allocrow(cols);
     
-- 
cgit 1.4.1