commit 2f1747ed7d28148807ad07eb8e22db3ab5c54966
author Behdad Esfahbod <behdad@behdad.org> Thu Aug 16 11:46:46 2012 -0400
committer Behdad Esfahbod <behdad@behdad.org> Thu Aug 16 11:46:46 2012 -0400
tree f9ea16a67d110b08735be064c7f2c24c82e11e5d
parent bd08d5d126aa878d1dbf7bfd4b1a764c170cd9ad

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src/hb-ot-shape-complex-arabic.cc

diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 3e61e69..857bf55 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -202,6 +202,10 @@
   ASSERT_POD ();
 
   bool do_fallback;
+  /* The "+ 1" in the next array is to accommodate for the "NONE" command,
+   * which is not an OpenType feature, but this simplifies the code by not
+   * having to do a "if (... < NONE) ..." and just rely on the fact that
+   * mask_array[NONE] == 0. */
   hb_mask_t mask_array[ARABIC_NUM_FEATURES + 1];
 };