From c519536c34c842304da558dd4a9e3844fc261b20 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 22 May 2014 18:43:14 -0400
Subject: [PATCH] [indic] Allow up to three tone marks

According to Roozbeh, there are valid combinations in Unicode
proposals for up to three.  Previously we were allowing up to two.
---
 src/hb-ot-shape-complex-indic-machine.rl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index 5c3e734eb..05f62f2c4 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -69,7 +69,7 @@ cn = c.ZWJ?.n?;
 forced_rakar = ZWJ H ZWJ Ra;
 avagraha = Avag.N?;
 matra_group = z{0,3}.M.N?.(H | forced_rakar)?;
-syllable_tail2 = (SM.SM?.ZWNJ?)? (A.A?)? VD?;
+syllable_tail2 = (SM.SM?.ZWNJ?)? A{0,3}? VD?;
 syllable_tail =  (Coeng (cn|V))? avagraha? syllable_tail2;
 place_holder = NBSP | DOTTEDCIRCLE;
 halant_group = (z?.h.(ZWJ.N?)?);