Roll HarfBuzz to 1.2.6

third_party/harfbuzz-ng/src/hb-unicode-private.hh

 /*
  * Copyright © 2009  Red Hat, Inc.
  * Copyright © 2011  Codethink Limited
  * Copyright © 2010,2011,2012  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
@@ skipping 206 matching lines @@
     SPACE_FIGURE,
     SPACE_PUNCTUATION,
     SPACE_NARROW,
   };
   static inline space_t
   space_fallback_type (hb_codepoint_t u)
   {
     switch (u)
     {
       /* All GC=Zs chars that can use a fallback. */
-      default:      return NOT_SPACE;   /* Shouldn't happen. */
+      default:      return NOT_SPACE;   /* U+1680 OGHAM SPACE MARK */
       case 0x0020u: return SPACE;       /* U+0020 SPACE */
       case 0x00A0u: return SPACE;       /* U+00A0 NO-BREAK SPACE */
       case 0x2000u: return SPACE_EM_2;  /* U+2000 EN QUAD */
       case 0x2001u: return SPACE_EM;    /* U+2001 EM QUAD */
       case 0x2002u: return SPACE_EM_2;  /* U+2002 EN SPACE */
       case 0x2003u: return SPACE_EM;    /* U+2003 EM SPACE */
       case 0x2004u: return SPACE_EM_3;  /* U+2004 THREE-PER-EM SPACE */
       case 0x2005u: return SPACE_EM_4;  /* U+2005 FOUR-PER-EM SPACE */
       case 0x2006u: return SPACE_EM_6;  /* U+2006 SIX-PER-EM SPACE */
       case 0x2007u: return SPACE_FIGURE;        /* U+2007 FIGURE SPACE */
@@ skipping 119 matching lines @@
           FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | \
           FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
 
 #define HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL(gen_cat) \
         (FLAG_SAFE (gen_cat) & \
          (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \
           FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) | \
           FLAG (HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL)))
 
 #endif /* HB_UNICODE_PRIVATE_HH */