Roll HarfBuzz to 1.1.3

third_party/harfbuzz-ng/src/hb-shape.cc

 /*
  * Copyright © 2009  Red Hat, Inc.
  * Copyright © 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
  * above copyright notice and the following two paragraphs appear in
@@ skipping 192 matching lines @@
          parse_feature_tag (pp, end, feature) &&
          parse_feature_indices (pp, end, feature) &&
          parse_feature_value_postfix (pp, end, feature) &&
          parse_space (pp, end) &&
          *pp == end;
 }
 
 /**
  * hb_feature_from_string:
  * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is nul-terminated
+ * @len: length of @str, or -1 if string is %NULL terminated
  * @feature: (out): the #hb_feature_t to initialize with the parsed values
  *
- * Parses a string into a #hb_feature_t. If @len is -1 then @str is
- * %NULL-terminated.
+ * Parses a string into a #hb_feature_t.
  *
- * Return value: %TRUE if @str is successfully parsed, %FALSE otherwise
+ * TODO: document the syntax here.
+ *
+ * Return value:
+ * %true if @str is successfully parsed, %false otherwise.
  *
  * Since: 0.9.5
  **/
 hb_bool_t
 hb_feature_from_string (const char *str, int len,
                         hb_feature_t *feature)
 {
   hb_feature_t feat;
 
   if (len < 0)
@@ skipping 167 matching lines @@
  * Since: 0.9.2
  **/
 void
 hb_shape (hb_font_t           *font,
           hb_buffer_t         *buffer,
           const hb_feature_t  *features,
           unsigned int         num_features)
 {
   hb_shape_full (font, buffer, features, num_features, NULL);
 }