[Indic] Allow Consonant_Medial's after Consonant's
Mostly affects Myanmar, but also Tai Tham, Javanese, and Cham. The
latter three are untested (no fonts!).
diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index b745466..a536da5 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -55,8 +55,9 @@
Coeng = 14;
Repha = 15;
Ra = 16;
+CM = 17;
-c = (C | Ra); # is_consonant
+c = (C | Ra)CM*; # is_consonant
n = ((ZWNJ?.RS)? (N.N?)?); # is_consonant_modifier
z = ZWJ|ZWNJ; # is_joiner
h = H | Coeng; # is_halant_or_coeng