Chromium -> Mojo roll.

third_party/harfbuzz-ng/src/hb-ot-shape-complex-arabic-win1256.hh

 /*
  * Copyright © 2014  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 115 matching lines @@
         OT_USHORT(1) \
         OT_LABEL_END \
         OT_UARRAY(Name##Glyphs, OT_LIST(Items))
 
 
 /*
  * GSUB
  */
 
 #define OT_LOOKUP_TYPE_SUBST_SINGLE     1u
-#define OT_LOOKUP_TYPE_SUBST_MULTIPLE   2u
 #define OT_LOOKUP_TYPE_SUBST_LIGATURE   4u
 
 #define OT_SUBLOOKUP_SINGLE_SUBST_FORMAT2(Name, FromGlyphs, ToGlyphs) \
         OT_SUBLOOKUP(Name, 2, \
                 OT_OFFSET(Name, Name##Coverage) \
                 OT_LABEL_END \
                 OT_UARRAY(Name##Substitute, OT_LIST(ToGlyphs)) \
         ) \
         OT_COVERAGE1(Name##Coverage, OT_LIST(FromGlyphs)) \
         /* ASSERT_STATIC_EXPR len(FromGlyphs) == len(ToGlyphs) */
@@ skipping 168 matching lines @@
  */
 #if 0
 #include "hb-private.hh" /* Make check-includes.sh happy. */
 #endif
 #ifdef OT_MEASURE
 #include "hb-ot-shape-complex-arabic-win1256.hh"
 #endif
 
 #define HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH
 #endif /* HB_OT_SHAPE_COMPLEX_ARABIC_WIN1256_HH */