From 4e6906cc5d31ff3249ea403926e8824b1f44ba43 Mon Sep 17 00:00:00 2001
From: Alexei Podtelezhnikov <apodtele@gmail.com>
Date: Fri, 18 Nov 2022 14:03:19 +0000
Subject: Comments added.

---
 src/pcf/pcfdrivr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pcf/pcfdrivr.c b/src/pcf/pcfdrivr.c
index 48d551352..ac83918bc 100644
--- a/src/pcf/pcfdrivr.c
+++ b/src/pcf/pcfdrivr.c
@@ -111,6 +111,7 @@ THE SOFTWARE.
     FT_UInt32  w = enc->lastCol - enc->firstCol + 1;
 
 
+    /* wrapped around "negative" values are also rejected */
     if ( i >= h || j >= w )
       return 0;
 
@@ -131,6 +132,7 @@ THE SOFTWARE.
     FT_UInt    result = 0;
 
 
+    /* adjust wrapped around "negative" values */
     if ( (FT_Int32)i < 0 )
       i = 0;
     if ( (FT_Int32)j < 0 )
-- 
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