Roll HarfBuzz to 1.1.3

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

Index: third_party/harfbuzz-ng/src/hb-shape.cc
diff --git a/third_party/harfbuzz-ng/src/hb-shape.cc b/third_party/harfbuzz-ng/src/hb-shape.cc
index 8a985839891f8c8410215336163d101818a2b765..352d42c83577001153e0cf7acddcd18fb9895932 100644
--- a/third_party/harfbuzz-ng/src/hb-shape.cc
+++ b/third_party/harfbuzz-ng/src/hb-shape.cc
@@ -210,13 +210,15 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
 /**
  * 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
  **/