Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-ot-head-table.hh

 /*
- * Copyright (C) 2010  Red Hat, Inc.
+ * Copyright © 2010  Red Hat, 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.
  *
  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  * DAMAGE.
  *
  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
  * Red Hat Author(s): Behdad Esfahbod
  */
 
-#ifndef HB_OT_HEAD_PRIVATE_HH
-#define HB_OT_HEAD_PRIVATE_HH
+#ifndef HB_OT_HEAD_TABLE_HH
+#define HB_OT_HEAD_TABLE_HH
 
 #include "hb-open-type-private.hh"
 
-HB_BEGIN_DECLS
 
 
 /*
- * head
+ * head -- Font Header
  */
 
 #define HB_OT_TAG_head HB_TAG('h','e','a','d')
 
 struct head
 {
   static const hb_tag_t Tag     = HB_OT_TAG_head;
 
   inline unsigned int get_upem (void) const {
     unsigned int upem = unitsPerEm;
     /* If no valid head table found, assume 1000, which matches typicaly Type1 usage. */
     return 16 <= upem && upem <= 16384 ? upem : 1000;
   }
 
   inline bool sanitize (hb_sanitize_context_t *c) {
     TRACE_SANITIZE ();
-    /* Shall we check for magicNumber here?  Who cares? */
     return c->check_struct (this) && likely (version.major == 1);
   }
 
   private:
   FixedVersion  version;                /* Version of the head table--currently
                                          * 0x00010000 for version 1.0. */
   FixedVersion  fontRevision;           /* Set by font manufacturer. */
   ULONG         checkSumAdjustment;     /* To compute: set it to 0, sum the
                                          * entire font as ULONG, then store
                                          * 0xB1B0AFBA - sum. */
@@ skipping 70 matching lines @@
                                          * 2: Like 1 but also contains neutrals;
                                          * -1: Only strongly right to left;
                                          * -2: Like -1 but also contains neutrals. */
   SHORT         indexToLocFormat;       /* 0 for short offsets, 1 for long. */
   SHORT         glyphDataFormat;        /* 0 for current format. */
   public:
   DEFINE_SIZE_STATIC (54);
 };
 
 
-HB_END_DECLS
 
-#endif /* HB_OT_HEAD_PRIVATE_HH */
+#endif /* HB_OT_HEAD_TABLE_HH */