Update harfbuzz-ng to 0.9.27

third_party/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc

Index: third_party/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc
diff --git a/third_party/harfbuzz-ng/src/hb-ot-shape-complex-default.cc b/third_party/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc
similarity index 73%
copy from third_party/harfbuzz-ng/src/hb-ot-shape-complex-default.cc
copy to third_party/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc
index d6afa0e1c114ef9bf334e6bd1df7f16da4b4396a..6bb6043f652cfd533da2fa857dc771c6b04d424c 100644
--- a/third_party/harfbuzz-ng/src/hb-ot-shape-complex-default.cc
+++ b/third_party/harfbuzz-ng/src/hb-ot-shape-complex-hebrew.cc
@@ -27,61 +27,11 @@
 #include "hb-ot-shape-complex-private.hh"
 
 
-/* TODO Add kana, and other small shapers here */
-
-
-/* The default shaper *only* adds additional per-script features.*/
-
-static const hb_tag_t hangul_features[] =
-{
-  HB_TAG('l','j','m','o'),
-  HB_TAG('v','j','m','o'),
-  HB_TAG('t','j','m','o'),
-  HB_TAG_NONE
-};
-
-static const hb_tag_t tibetan_features[] =
-{
-  HB_TAG('a','b','v','s'),
-  HB_TAG('b','l','w','s'),
-  HB_TAG('a','b','v','m'),
-  HB_TAG('b','l','w','m'),
-  HB_TAG_NONE
-};
-
-static void
-collect_features_default (hb_ot_shape_planner_t *plan)
-{
-  const hb_tag_t *script_features = NULL;
-
-  switch ((hb_tag_t) plan->props.script)
-  {
-    /* Unicode-1.1 additions */
-    case HB_SCRIPT_HANGUL:
-      script_features = hangul_features;
-      break;
-
-    /* Unicode-2.0 additions */
-    case HB_SCRIPT_TIBETAN:
-      script_features = tibetan_features;
-      break;
-  }
-
-  for (; script_features && *script_features; script_features++)
-    plan->map.add_global_bool_feature (*script_features);
-}
-
-static hb_ot_shape_normalization_mode_t
-normalization_preference_default (const hb_segment_properties_t *props)
-{
-  return HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS;
-}
-
 static bool
-compose_default (const hb_ot_shape_normalize_context_t *c,
-		 hb_codepoint_t  a,
-		 hb_codepoint_t  b,
-		 hb_codepoint_t *ab)
+compose_hebrew (const hb_ot_shape_normalize_context_t *c,
+		hb_codepoint_t  a,
+		hb_codepoint_t  b,
+		hb_codepoint_t *ab)
 {
   /* Hebrew presentation-form shaping.
    * https://bugzilla.mozilla.org/show_bug.cgi?id=728866
@@ -120,7 +70,8 @@ compose_default (const hb_ot_shape_normalize_context_t *c,
 
   bool found = c->unicode->compose (a, b, ab);
 
-  if (!found && (b & ~0x7F) == 0x0580) {
+  if (!found && !c->plan->has_mark)
+  {
       /* Special-case Hebrew presentation forms that are excluded from
        * standard normalization, but wanted for old fonts. */
       switch (b) {
@@ -203,18 +154,19 @@ compose_default (const hb_ot_shape_normalize_context_t *c,
   return found;
 }
 
-const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
+
+const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
 {
-  "default",
-  collect_features_default,
+  "hebrew",
+  NULL, /* collect_features */
   NULL, /* override_features */
   NULL, /* data_create */
   NULL, /* data_destroy */
   NULL, /* preprocess_text */
-  normalization_preference_default,
+  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
   NULL, /* decompose */
-  compose_default,
+  compose_hebrew,
   NULL, /* setup_masks */
-  HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_UNICODE_LATE,
+  HB_OT_SHAPE_ZERO_WIDTH_MARKS_DEFAULT,
   true, /* fallback_position */
 };