From 48c77da38243249b649b39b46935442d653c5d8c Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Thu, 17 Nov 2016 07:37:50 +0100
Subject: [PATCH] Add minor comment to avoid confusion (#19044).

---
 src/autofit/afloader.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/autofit/afloader.c b/src/autofit/afloader.c
index 26bba065b..64e6df5b3 100644
--- a/src/autofit/afloader.c
+++ b/src/autofit/afloader.c
@@ -309,7 +309,8 @@
         if ( axis->num_edges > 1 && AF_HINTS_DO_ADVANCE( hints ) )
         {
           old_rsb = loader->pp2.x - edge2->opos;
-          old_lsb = edge1->opos;
+          /* loader->pp1.x is always zero at this point of time */
+          old_lsb = edge1->opos /* - loader->pp1.x */;
           new_lsb = edge1->pos;
 
           /* remember unhinted values to later account */