From d37ae38047bee12639741af9bb083b857fab950d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 2 Jan 2013 23:57:36 -0600
Subject: [PATCH] [OTLayout] Handle required_feature_index in collect_lookups

---
 src/hb-ot-layout.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index e4bac0ab9..8edb13522 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -433,6 +433,14 @@ _hb_ot_layout_collect_lookups_features (hb_face_t      *face,
 					const hb_tag_t *features,
 					hb_set_t       *lookup_indexes /* OUT */)
 {
+  unsigned int required_feature_index;
+  if (hb_ot_layout_language_get_required_feature_index (face,
+							table_tag,
+							script_index,
+							language_index,
+							&required_feature_index))
+    _hb_ot_layout_collect_lookups_lookups (face, table_tag, required_feature_index, lookup_indexes);
+
   if (!features)
   {
     /* All features */