From 862b1644e9469a7e70555141f53729409d50d0d2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 18 Dec 2015 13:54:06 +0000
Subject: [PATCH] [use] Only set syllable-based topographical features if not
 Arabic-joining

---
 src/hb-ot-shape-complex-use.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index 3e7003a24..0f6678339 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -285,6 +285,9 @@ static void
 setup_topographical_masks (const hb_ot_shape_plan_t *plan,
 			   hb_buffer_t *buffer)
 {
+  const use_shape_plan_t *use_plan = (const use_shape_plan_t *) plan->data;
+  if (use_plan->arabic_plan)
+    return;
 
   ASSERT_STATIC (INIT < 4 && ISOL < 4 && MEDI < 4 && FINA < 4);
   hb_mask_t masks[4], all_masks = 0;