diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index f65995b2f..e21814d0f 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -60,7 +60,8 @@ matra_group = M N? H?;
 syllable_tail = SM? (VD VD?)?;
 
 action matched_syllable {
-  //fprintf (stderr, "Syll %d\n", p);
+  matched_syllable (c, last, p);
+  last = p;
 }
 
 consonant_syllable =	(c.N? (z.H|H.z?))* c.N? A? (H.z? | matra_group*)? syllable_tail %(matched_syllable);
@@ -96,6 +97,7 @@ find_syllables (hb_ot_shape_context_t *c)
   p = 0;
   pe = eof = c->buffer->len;
 
+  unsigned int last = 0;
   %%{
     write exec;
   }%%
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index e5601ffbe..8619b5622 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -293,12 +293,19 @@ _hb_ot_shape_complex_collect_features_indic (hb_ot_shape_planner_t *planner, con
 }
 
 
+static void
+matched_syllable (hb_ot_shape_context_t *c,
+		  unsigned int start,
+		  unsigned int end)
+{
+  //fprintf (stderr, "%d %d\n", start, end);
+}
 
 #include "hb-ot-shape-complex-indic-machine.hh"
 
 
 void
-_hb_ot_shape_complex_setup_masks_indic	(hb_ot_shape_context_t *c)
+_hb_ot_shape_complex_setup_masks_indic (hb_ot_shape_context_t *c)
 {
   unsigned int count = c->buffer->len;