From cce953d6a4e0b10915b60411f298ac86c6d0df8f Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Wed, 15 Sep 2010 10:08:16 +0000
Subject: Add comment.

svn path=/trunk/tools/alphagen/; revision=10776
---
 alphagen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/alphagen.c b/alphagen.c
index 9d3cd54..4a3d4e2 100644
--- a/alphagen.c
+++ b/alphagen.c
@@ -88,6 +88,7 @@ bool alphagen(char *black_name, char *white_name, char *alpha_name)
 		return false;
 	}
 
+	/* Return failure if there's a problem with the input images. */
 	if (!alphagen_check_inputs(&b, &w)) {
 		return false;
 	}
-- 
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