commit 9c9411839bb89d0a1a83120af0982c60e0e393d9
author Behdad Esfahbod <behdad@behdad.org> Mon Apr 28 12:38:25 2014 -0700
committer Behdad Esfahbod <behdad@behdad.org> Mon Apr 28 12:44:14 2014 -0700
tree 440718fb60c1bd55ce5a47646934e3d155b82a09
parent 659cd3c5b470ff9724ce5e53fedd1fea3e7512c4

[tibetan] Reorder PADMA sign to occur after other below marks

Based on suggestion from Andrew Glass.

Test: U+0F40,0FC6,0F83

src/hb-unicode-private.hh

diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index ba193e8..991130f 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -112,6 +112,10 @@
      * Reorder SAKOT to ensure it comes after any tone marks. */
     if (unlikely (unicode == 0x1A60)) return 254;
 
+    /* XXX This hack belongs to the Tibetan shaper:
+     * Reorder PADMA to ensure it comes after any vowel marks. */
+    if (unlikely (unicode == 0x0FC6)) return 254;
+
     return _hb_modified_combining_class[combining_class (unicode)];
   }