From 47d480e77fa70443e8a1fa0c3aa77d2e4c3f2466 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Mon, 26 Jul 2004 00:47:27 +0000
Subject: [PATCH] (lookup_gpos): Don't apply a GPOS feature twice.
 (OTF_drive_gpos): Initialize values positioning_type
 memeber.

---
 src/otfdrive.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/otfdrive.c b/src/otfdrive.c
index 20eef30..df64f80 100644
--- a/src/otfdrive.c
+++ b/src/otfdrive.c
@@ -698,6 +698,7 @@ lookup_gpos (OTF_LookupList *lookup_list, unsigned lookup_list_index,
   int i;
 
   if (! g->glyph_id
+      || g->positioning_type
       || (g->GlyphClass
 	  && (flag & (1 << g->GlyphClass))))
     return (gidx + 1);
@@ -748,6 +749,8 @@ lookup_gpos (OTF_LookupList *lookup_list, unsigned lookup_list_index,
 	    if (next_gidx >= gstring->used)
 	      continue;
 	    nextg = gstring->glyphs + next_gidx;
+	    if (nextg->positioning_type)
+	      continue;
 	    if (subtable->Format == 1)
 	      {
 		OTF_GPOS_Pair1 *pair1 = &subtable->u.pair1;
@@ -1235,6 +1238,9 @@ OTF_drive_gpos (OTF *otf, OTF_GlyphString *gstring,
   if (n < 0)
     return errret;
 
+  for (i = 0; i < gstring->used; i++)
+    gstring->glyphs[i].positioning_type = 0;
+
   for (i = 0; i < n; i++)
     {
       int index = lookup_indices[i];
-- 
1.7.10.4