From 4952f0aa5b2f4368d9e3418252e0a1b9294cd5ee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 9 Jun 2012 01:39:11 -0400
Subject: [PATCH] Minor

---
 src/hb-ot-layout-gsub-table.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index ced6f32eb..6a4199d80 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -1063,6 +1063,8 @@ struct SubstLookup : Lookup
     if (!_hb_ot_layout_check_glyph_property (c->face, &c->buffer->cur(), c->lookup_props, &c->property))
       return false;
 
+    /* TODO: For the most common case this can move out of the main
+     * loop, but it's not a big deal for now. */
     if (unlikely (lookup_type == SubstLookupSubTable::Extension))
     {
       /* The spec says all subtables should have the same type.