Merge branch 'master' into cff-subset

2018-10-03 17:06:18 -07:00 · 2018-10-03 17:06:18 -07:00 · 8be5a9186b
parent d7b384ad0d 5de2d9cdbd
commit 8be5a9186b
56 changed files with 1291 additions and 486 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -91,7 +91,7 @@ jobs:
      - run: apt update || true
      - run: apt install -y clang lld binutils libtool autoconf automake make pkg-config gtk-doc-tools ragel libfreetype6-dev libfontconfig1-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python python-pip
      - run: pip install fonttools
-      - run: CFLAGS="-Weverything -Wno-reserved-id-macro -Wno-conversion -Wno-padded -Wno-sign-conversion -Wno-cast-qual -Wno-documentation -Wno-documentation-unknown-command" CXXFLAGS="-Weverything -Wno-old-style-cast -Wno-documentation -Wno-documentation-unknown-command -Wno-c++98-compat -Wno-cast-qual -Wno-c++98-compat-pedantic -Wno-sign-conversion -Wno-padded -Wno-shorten-64-to-32 -Wno-extra-semi -Wno-reserved-id-macro -Wno-float-conversion -Wno-format-pedantic -Wno-shadow -Wno-conversion -Wno-zero-as-null-pointer-constant -Wno-missing-field-initializers -Wno-double-promotion -Wno-used-but-marked-unused -Wno-unused-macros -Wno-comma -Wno-float-equal -Wno-disabled-macro-expansion -Wno-weak-vtables -Wno-unused-parameter -Wno-covered-switch-default -Wno-unreachable-code -Wno-deprecated-declarations" CC=clang CXX=clang++ ./autogen.sh --with-freetype --with-glib --with-cairo --with-icu --with-graphite2 --with-fontconfig
+      - run: CFLAGS="-Weverything -Wno-reserved-id-macro -Wno-conversion -Wno-padded -Wno-sign-conversion -Wno-cast-qual -Wno-documentation -Wno-documentation-unknown-command" CXXFLAGS="-Weverything -Wno-old-style-cast -Wno-documentation -Wno-documentation-unknown-command -Wno-c++98-compat -Wno-cast-qual -Wno-c++98-compat-pedantic -Wno-sign-conversion -Wno-padded -Wno-shorten-64-to-32 -Wno-extra-semi -Wno-reserved-id-macro -Wno-float-conversion -Wno-format-pedantic -Wno-shadow -Wno-conversion -Wno-zero-as-null-pointer-constant -Wno-missing-field-initializers -Wno-used-but-marked-unused -Wno-unused-macros -Wno-comma -Wno-float-equal -Wno-disabled-macro-expansion -Wno-weak-vtables -Wno-unused-parameter -Wno-covered-switch-default -Wno-unreachable-code" CC=clang CXX=clang++ ./autogen.sh --with-freetype --with-glib --with-cairo --with-icu --with-graphite2 --with-fontconfig
      - run: make -j32 CPPFLAGS="-Werror"
      - run: make check CPPFLAGS="-Werror" || .ci/fail.sh

--- a/.travis.yml
+++ b/.travis.yml
@ -47,8 +47,6 @@ matrix:
    - os: osx
      compiler: clang
      install:
-          # https://github.com/harfbuzz/harfbuzz/issues/345
-        - export CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"
        - brew update;
          # Workaround Travis/brew bug
        - brew uninstall libtool && brew install libtool
--- a/configure.ac
+++ b/configure.ac
@ -330,7 +330,7 @@ AC_ARG_WITH(graphite2,
 			[Use the graphite2 library @<:@default=no@:>@])],,
 	[with_graphite2=no])
 have_graphite2=false
-GRAPHITE2_DEPS="graphite2"
+GRAPHITE2_DEPS="graphite2 >= 1.2.0"
 AC_SUBST(GRAPHITE2_DEPS)
 if test "x$with_graphite2" = "xyes" -o "x$with_graphite2" = "xauto"; then
 	PKG_CHECK_MODULES(GRAPHITE2, $GRAPHITE2_DEPS, have_graphite2=true, :)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@ -289,13 +289,15 @@ harfbuzz-gobject.def: $(HB_GOBJECT_headers)

 GENERATORS = \
 	gen-arabic-table.py \
-	gen-indic-table.py \
-	gen-use-table.py \
 	gen-def.py \
+	gen-emoji-table.py \
+	gen-indic-table.py \
+	gen-os2-unicode-ranges.py \
+	gen-use-table.py \
 	$(NULL)
 EXTRA_DIST += $(GENERATORS)

-unicode-tables: arabic-table indic-table use-table
+unicode-tables: arabic-table indic-table use-table emoji-table

 arabic-table: gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt
 	$(AM_V_GEN) $(builddir)/$^ > $(srcdir)/hb-ot-shape-complex-arabic-table.hh \
@ -309,9 +311,13 @@ use-table: gen-use-table.py IndicSyllabicCategory.txt IndicPositionalCategory.tx
 	$(AM_V_GEN) $(builddir)/$^ > $(srcdir)/hb-ot-shape-complex-use-table.cc \
 	|| ($(RM) $(srcdir)/hb-ot-shape-complex-use-table.cc; false)

+emoji-table: gen-emoji-table.py emoji-data.txt
+	$(AM_V_GEN) $(builddir)/$^ > $(srcdir)/hb-unicode-emoji-table.hh \
+	|| ($(RM) $(srcdir)/hb-unicode-emoji-table.hh; false)
+
 built-sources: $(BUILT_SOURCES)

-.PHONY: unicode-tables arabic-table indic-table use-table built-sources
+.PHONY: unicode-tables arabic-table indic-table use-table emoji-table built-sources

 RAGEL_GENERATED = \
 	$(patsubst %,$(srcdir)/%,$(HB_BASE_RAGEL_GENERATED_sources)) \
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@ -57,6 +57,7 @@ HB_BASE_sources = \
 	hb-static.cc \
 	hb-string-array.hh \
 	hb-unicode.hh \
+	hb-unicode-emoji-table.hh \
 	hb-unicode.cc \
 	hb-vector.hh \
 	hb-utf.hh \
--- a/src/dump-emoji.cc
+++ b/src/dump-emoji.cc
@ -146,7 +146,7 @@ static void colr_cpal_rendering (cairo_font_face_t *cairo_face, unsigned int upe
 	  int r = (color >> 8) & 0xFF;
 	  int g = (color >> 16) & 0xFF;
 	  int b = (color >> 24) & 0xFF;
-	  cairo_set_source_rgba (cr, r / 255.f, g / 255.f, b / 255.f, alpha);
+	  cairo_set_source_rgba (cr, r / 255., g / 255., b / 255., alpha);

 	  cairo_glyph_t glyph;
 	  glyph.index = glyph_id;
--- a/src/gen-emoji-table.py
+++ b/src/gen-emoji-table.py
@ -0,0 +1,64 @@
+#!/usr/bin/python
+
+from __future__ import print_function, division, absolute_import
+import sys
+import os.path
+from collections import OrderedDict
+
+if len (sys.argv) != 2:
+	print("usage: ./gen-emoji-table.py emoji-data.txt", file=sys.stderr)
+	sys.exit (1)
+
+f = open(sys.argv[1])
+header = [f.readline () for _ in range(10)]
+
+sets = OrderedDict()
+for line in f.readlines():
+	line = line.strip()
+	if not line or line[0] == '#':
+		continue
+	rang, typ = [s.strip() for s in line.split('#')[0].split(';')[:2]]
+
+	rang = [int(s, 16) for s in rang.split('..')]
+	if len(rang) > 1:
+		start, end = rang
+	else:
+		start = end = rang[0]
+
+	if typ not in sets:
+		sets[typ] = set()
+	sets[typ].add((start, end))
+
+
+
+print ("/* == Start of generated table == */")
+print ("/*")
+print (" * The following tables are generated by running:")
+print (" *")
+print (" *   ./gen-emoji-table.py emoji-data.txt")
+print (" *")
+print (" * on file with this header:")
+print (" *")
+for l in header:
+	print (" * %s" % (l.strip()))
+print (" */")
+print ()
+print ("#ifndef HB_UNICODE_EMOJI_TABLE_HH")
+print ("#define HB_UNICODE_EMOJI_TABLE_HH")
+print ()
+print ('#include "hb-unicode.hh"')
+print ()
+
+for typ,s in sets.items():
+	if typ != "Extended_Pictographic": continue
+	print()
+	print("static const struct hb_unicode_range_t _hb_unicode_emoji_%s_table[] =" % typ)
+	print("{")
+	for pair in sorted(s):
+		print("  {0x%04X, 0x%04X}," % pair)
+	print("};")
+
+print ()
+print ("#endif /* HB_UNICODE_EMOJI_TABLE_HH */")
+print ()
+print ("/* == End of generated table == */")
--- a/src/gen-os2-unicode-ranges.py
+++ b/src/gen-os2-unicode-ranges.py
@ -13,7 +13,7 @@ import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')

-print ("""static Range os2UnicodeRangesSorted[] =
+print ("""static OS2Range _hb_os2_unicode_ranges[] =
 {""")

 args = sys.argv[1:]
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@ -197,7 +197,10 @@ def is_CONS_SUB(U, UISC, UGC):
 def is_CONS_WITH_STACKER(U, UISC, UGC):
 	return UISC == Consonant_With_Stacker
 def is_HALANT(U, UISC, UGC):
-	return UISC in [Virama, Invisible_Stacker]
+	return UISC in [Virama, Invisible_Stacker] and not is_HALANT_OR_VOWEL_MODIFIER(U, UISC, UGC)
+def is_HALANT_OR_VOWEL_MODIFIER(U, UISC, UGC):
+	# https://github.com/harfbuzz/harfbuzz/issues/1102
+	return U == 0x11046
 def is_HALANT_NUM(U, UISC, UGC):
 	return UISC == Number_Joiner
 def is_ZWNJ(U, UISC, UGC):
@ -248,6 +251,7 @@ use_mapping = {
 	'SUB':	is_CONS_SUB,
 	'CS':	is_CONS_WITH_STACKER,
 	'H':	is_HALANT,
+	'HVM':	is_HALANT_OR_VOWEL_MODIFIER,
 	'HN':	is_HALANT_NUM,
 	'ZWNJ':	is_ZWNJ,
 	'ZWJ':	is_ZWJ,
@ -295,6 +299,7 @@ use_positions = {
 		'Blw': [Bottom],
 	},
 	'H': None,
+	'HVM': None,
 	'B': None,
 	'FM': None,
 	'SUB': None,
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@ -369,37 +369,6 @@ hb_buffer_t::replace_glyphs (unsigned int num_in,
  out_len += num_out;
 }

-void
-hb_buffer_t::output_glyph (hb_codepoint_t glyph_index)
-{
-  if (unlikely (!make_room_for (0, 1))) return;
-
-  out_info[out_len] = info[idx];
-  out_info[out_len].codepoint = glyph_index;
-
-  out_len++;
-}
-
-void
-hb_buffer_t::output_info (const hb_glyph_info_t &glyph_info)
-{
-  if (unlikely (!make_room_for (0, 1))) return;
-
-  out_info[out_len] = glyph_info;
-
-  out_len++;
-}
-
-void
-hb_buffer_t::copy_glyph (void)
-{
-  if (unlikely (!make_room_for (0, 1))) return;
-
-  out_info[out_len] = info[idx];
-
-  out_len++;
-}
-
 bool
 hb_buffer_t::move_to (unsigned int i)
 {
@ -442,19 +411,6 @@ hb_buffer_t::move_to (unsigned int i)
  return true;
 }

-void
-hb_buffer_t::replace_glyph (hb_codepoint_t glyph_index)
-{
-  if (unlikely (out_info != info || out_len != idx)) {
-    if (unlikely (!make_room_for (1, 1))) return;
-    out_info[out_len] = info[idx];
-  }
-  out_info[out_len].codepoint = glyph_index;
-
-  idx++;
-  out_len++;
-}
-

 void
 hb_buffer_t::set_masks (hb_mask_t    value,
--- a/src/hb-buffer.hh
+++ b/src/hb-buffer.hh
@ -212,13 +212,46 @@ struct hb_buffer_t
 				   unsigned int num_out,
 				   const hb_codepoint_t *glyph_data);

-  HB_INTERNAL void replace_glyph (hb_codepoint_t glyph_index);
+  inline void replace_glyph (hb_codepoint_t glyph_index)
+  {
+    if (unlikely (out_info != info || out_len != idx)) {
+      if (unlikely (!make_room_for (1, 1))) return;
+      out_info[out_len] = info[idx];
+    }
+    out_info[out_len].codepoint = glyph_index;
+
+    idx++;
+    out_len++;
+  }
  /* Makes a copy of the glyph at idx to output and replace glyph_index */
-  HB_INTERNAL void output_glyph (hb_codepoint_t glyph_index);
-  HB_INTERNAL void output_info (const hb_glyph_info_t &glyph_info);
+  inline hb_glyph_info_t & output_glyph (hb_codepoint_t glyph_index)
+  {
+    if (unlikely (!make_room_for (0, 1))) return Crap(hb_glyph_info_t);
+
+    out_info[out_len] = info[idx];
+    out_info[out_len].codepoint = glyph_index;
+
+    out_len++;
+
+    return out_info[out_len - 1];
+  }
+  inline void output_info (const hb_glyph_info_t &glyph_info)
+  {
+    if (unlikely (!make_room_for (0, 1))) return;
+
+    out_info[out_len] = glyph_info;
+
+    out_len++;
+  }
  /* Copies glyph at idx to output but doesn't advance idx */
-  HB_INTERNAL void copy_glyph (void);
-  HB_INTERNAL bool move_to (unsigned int i); /* i is output-buffer index. */
+  inline void copy_glyph (void)
+  {
+    if (unlikely (!make_room_for (0, 1))) return;
+
+    out_info[out_len] = info[idx];
+
+    out_len++;
+  }
  /* Copies glyph at idx to output and advance idx.
   * If there's no output, just advance idx. */
  inline void
@ -235,10 +268,11 @@ struct hb_buffer_t

    idx++;
  }
-
  /* Advance idx without copying to output. */
-  inline void skip_glyph (void) { idx++; }
-
+  inline void skip_glyph (void)
+  {
+    idx++;
+  }
  inline void reset_masks (hb_mask_t mask)
  {
    for (unsigned int j = 0; j < len; j++)
@ -275,6 +309,8 @@ struct hb_buffer_t


  /* Internal methods */
+  HB_INTERNAL bool move_to (unsigned int i); /* i is output-buffer index. */
+
  HB_INTERNAL bool enlarge (unsigned int size);

  inline bool ensure (unsigned int size)
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@ -1072,7 +1072,7 @@ hb_variation_to_string (hb_variation_t *variation,
  while (len && s[len - 1] == ' ')
    len--;
  s[len++] = '=';
-  len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", variation->value));
+  len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%g", (double) variation->value));

  assert (len < ARRAY_LENGTH (s));
  len = MIN (len, size - 1);
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@ -626,7 +626,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
  CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;

  /* Attach marks to their bases, to match the 'ot' shaper.
-   * Adapted from hb-ot-shape:hb_form_clusters().
+   * Adapted from a very old version of hb-ot-shape:hb_form_clusters().
   * Note that this only makes us be closer to the 'ot' shaper,
   * but by no means the same.  For example, if there's
   * B1 M1 B2 M2, and B1-B2 form a ligature, M2's cluster will
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@ -688,7 +688,7 @@ _hb_face_builder_reference_table (hb_face_t *face, hb_tag_t tag, void *user_data
 * After tables are added to the face, it can be compiled to a binary
 * font file by calling hb_face_reference_blob().
 *
- * Return value: (transfer full) New face.
+ * Return value: (transfer full): New face.
 *
 * Since: 1.9.0
 **/
--- a/src/hb-graphite2.cc
+++ b/src/hb-graphite2.cc
@ -95,6 +95,32 @@ retry:
  return d;
 }

+static void hb_graphite2_release_table(const void *data, const void *table_buffer)
+{
+  hb_graphite2_face_data_t *face_data = (hb_graphite2_face_data_t *) data;
+  hb_graphite2_tablelist_t *tlist = face_data->tlist.get();
+
+  hb_graphite2_tablelist_t *prev = nullptr;
+  hb_graphite2_tablelist_t *curr = tlist;
+  while (curr)
+  {
+    if (hb_blob_get_data(curr->blob, nullptr) == table_buffer)
+    {
+      if (prev == nullptr)
+        face_data->tlist.cmpexch(tlist, curr->next);
+      else
+        prev->next = curr->next;
+      hb_blob_destroy(curr->blob);
+      free(curr);
+      break;
+    }
+    prev = curr;
+    curr = curr->next;
+  }
+}
+
+static gr_face_ops hb_graphite2_face_ops = { sizeof(gr_face_ops), hb_graphite2_get_table, hb_graphite2_release_table };
+
 hb_graphite2_face_data_t *
 _hb_graphite2_shaper_face_data_create (hb_face_t *face)
 {
@ -113,7 +139,7 @@ _hb_graphite2_shaper_face_data_create (hb_face_t *face)
    return nullptr;

  data->face = face;
-  data->grface = gr_make_face (data, &hb_graphite2_get_table, gr_face_preloadAll);
+  data->grface = gr_make_face_with_ops (data, &hb_graphite2_face_ops, gr_face_preloadAll);

  if (unlikely (!data->grface)) {
    free (data);
--- a/src/hb-ot-layout.hh
+++ b/src/hb-ot-layout.hh
@ -160,12 +160,12 @@ hb_ot_layout_position_finish_offsets (hb_font_t    *font,
 #define foreach_syllable(buffer, start, end) \
  for (unsigned int \
       _count = buffer->len, \
-       start = 0, end = _count ? _next_syllable (buffer, 0) : 0; \
+       start = 0, end = _count ? _hb_next_syllable (buffer, 0) : 0; \
       start < _count; \
-       start = end, end = _next_syllable (buffer, start))
+       start = end, end = _hb_next_syllable (buffer, start))

 static inline unsigned int
-_next_syllable (hb_buffer_t *buffer, unsigned int start)
+_hb_next_syllable (hb_buffer_t *buffer, unsigned int start)
 {
  hb_glyph_info_t *info = buffer->info;
  unsigned int count = buffer->len;
@ -188,7 +188,7 @@ _next_syllable (hb_buffer_t *buffer, unsigned int start)
 *   * Whether it's one of the three Mongolian Free Variation Selectors,
 *     CGJ, or other characters that are hidden but should not be ignored
 *     like most other Default_Ignorable()s do during matching.
- *   * One free bit right now.
+ *   * Whether it's a grapheme continuation.
 *
 * The high-byte has different meanings, switched by the Gen-Cat:
 * - For Mn,Mc,Me: the modified Combining_Class.
@ -200,8 +200,8 @@ _next_syllable (hb_buffer_t *buffer, unsigned int start)
 enum hb_unicode_props_flags_t {
  UPROPS_MASK_GEN_CAT	= 0x001Fu,
  UPROPS_MASK_IGNORABLE	= 0x0020u,
-  UPROPS_MASK_HIDDEN	= 0x0040u, /* MONGOLIAN FREE VARIATION SELECTOR 1..3,
-                                    * or TAG characters */
+  UPROPS_MASK_HIDDEN	= 0x0040u, /* MONGOLIAN FREE VARIATION SELECTOR 1..3, or TAG characters */
+  UPROPS_MASK_CONTINUATION=0x0080u,

  /* If GEN_CAT=FORMAT, top byte masks: */
  UPROPS_MASK_Cf_ZWJ	= 0x0100u,
@ -220,6 +220,7 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
  if (u >= 0x80)
  {
    buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII;
+
    if (unlikely (unicode->is_default_ignorable (u)))
    {
      buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES;
@ -245,24 +246,10 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
 	props |= UPROPS_MASK_HIDDEN;
      }
    }
-    else if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK (gen_cat)))
-    {
-      /* The above check is just an optimization to let in only things we need further
-       * processing on. */

-      /* Only Mn and Mc can have non-zero ccc:
-       * https://unicode.org/policies/stability_policy.html#Property_Value
-       * """
-       * Canonical_Combining_Class, General_Category
-       * All characters other than those with General_Category property values
-       * Spacing_Mark (Mc) and Nonspacing_Mark (Mn) have the Canonical_Combining_Class
-       * property value 0.
-       * 1.1.5+
-       * """
-       *
-       * Also, all Mn's that are Default_Ignorable, have ccc=0, hence
-       * the "else if".
-       */
+    if (unlikely (HB_UNICODE_GENERAL_CATEGORY_IS_MARK (gen_cat)))
+    {
+      props |= UPROPS_MASK_CONTINUATION;
      props |= unicode->modified_combining_class (u)<<8;
    }
  }
@ -302,29 +289,6 @@ _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
 {
  return _hb_glyph_info_is_unicode_mark (info) ? info->unicode_props()>>8 : 0;
 }
-
-
-/* Loop over grapheme. Based on foreach_cluster(). */
-#define foreach_grapheme(buffer, start, end) \
-  for (unsigned int \
-       _count = buffer->len, \
-       start = 0, end = _count ? _next_grapheme (buffer, 0) : 0; \
-       start < _count; \
-       start = end, end = _next_grapheme (buffer, start))
-
-static inline unsigned int
-_next_grapheme (hb_buffer_t *buffer, unsigned int start)
-{
-  hb_glyph_info_t *info = buffer->info;
-  unsigned int count = buffer->len;
-
-  while (++start < count && _hb_glyph_info_is_unicode_mark (&info[start]))
-    ;
-
-  return start;
-}
-
-
 #define info_cc(info) (_hb_glyph_info_get_modified_combining_class (&(info)))

 static inline bool
@ -369,6 +333,41 @@ _hb_glyph_info_unhide (hb_glyph_info_t *info)
  info->unicode_props() &= ~ UPROPS_MASK_HIDDEN;
 }

+static inline void
+_hb_glyph_info_set_continuation (hb_glyph_info_t *info)
+{
+  info->unicode_props() |= UPROPS_MASK_CONTINUATION;
+}
+static inline void
+_hb_glyph_info_reset_continuation (hb_glyph_info_t *info)
+{
+  info->unicode_props() &= ~ UPROPS_MASK_CONTINUATION;
+}
+static inline bool
+_hb_glyph_info_is_continuation (const hb_glyph_info_t *info)
+{
+  return info->unicode_props() & UPROPS_MASK_CONTINUATION;
+}
+/* Loop over grapheme. Based on foreach_cluster(). */
+#define foreach_grapheme(buffer, start, end) \
+  for (unsigned int \
+       _count = buffer->len, \
+       start = 0, end = _count ? _hb_next_grapheme (buffer, 0) : 0; \
+       start < _count; \
+       start = end, end = _hb_next_grapheme (buffer, start))
+
+static inline unsigned int
+_hb_next_grapheme (hb_buffer_t *buffer, unsigned int start)
+{
+  hb_glyph_info_t *info = buffer->info;
+  unsigned int count = buffer->len;
+
+  while (++start < count && _hb_glyph_info_is_continuation (&info[start]))
+    ;
+
+  return start;
+}
+
 static inline bool
 _hb_glyph_info_is_unicode_format (const hb_glyph_info_t *info)
 {
--- a/src/hb-ot-os2-table.hh
+++ b/src/hb-ot-os2-table.hh
@ -81,7 +81,7 @@ struct os2

    hb_codepoint_t cp = HB_SET_VALUE_INVALID;
    while (codepoints->next (&cp)) {
-      unsigned int bit = hb_get_unicode_range_bit (cp);
+      unsigned int bit = _hb_ot_os2_get_unicode_range_bit (cp);
      if (bit < 128)
      {
        unsigned int block = bit / 32;
--- a/src/hb-ot-os2-unicode-ranges.hh
+++ b/src/hb-ot-os2-unicode-ranges.hh
@ -31,14 +31,29 @@

 namespace OT {

-struct Range {
+struct OS2Range
+{
+  static int
+  cmp (const void *_key, const void *_item, void *_arg)
+  {
+    hb_codepoint_t cp = *((hb_codepoint_t *) _key);
+    const OS2Range *range = (OS2Range *) _item;
+
+    if (cp < range->start)
+      return -1;
+    else if (cp <= range->end)
+      return 0;
+    else
+      return +1;
+  }
+
  hb_codepoint_t start;
  hb_codepoint_t end;
  unsigned int bit;
 };

-/* Note: The contents of this array was generated using src/gen-unicode-ranges.py. */
-static Range os2UnicodeRangesSorted[] =
+/* Note: The contents of this array was generated using gen-os2-unicode-ranges.py. */
+static const OS2Range _hb_os2_unicode_ranges[] =
 {
  {     0x0,     0x7F,   0}, // Basic Latin
  {    0x80,     0xFF,   1}, // Latin-1 Supplement
@ -211,31 +226,17 @@ static Range os2UnicodeRangesSorted[] =
  {0x100000, 0x10FFFD,  90}, // Private Use (plane 16)
 };

-static int
-_compare_range (const void *_key, const void *_item, void *_arg)
-{
-  hb_codepoint_t cp = *((hb_codepoint_t *) _key);
-  const Range *range = (Range *) _item;
-
-  if (cp < range->start)
-    return -1;
-  else if (cp <= range->end)
-    return 0;
-  else
-    return 1;
-}
-
 /**
- * hb_get_unicode_range_bit:
- * Returns the bit to be set in os/2 ulUnicodeRange for a given codepoint.
+ * _hb_ot_os2_get_unicode_range_bit:
+ * Returns the bit to be set in os/2 ulUnicodeOS2Range for a given codepoint.
 **/
 static unsigned int
-hb_get_unicode_range_bit (hb_codepoint_t cp)
+_hb_ot_os2_get_unicode_range_bit (hb_codepoint_t cp)
 {
-  Range *range = (Range*) hb_bsearch_r (&cp, os2UnicodeRangesSorted,
-                                        sizeof (os2UnicodeRangesSorted) / sizeof(Range),
-                                        sizeof(Range),
-                                        _compare_range, nullptr);
+  OS2Range *range = (OS2Range*) hb_bsearch_r (&cp, _hb_os2_unicode_ranges,
+					      ARRAY_LENGTH (_hb_os2_unicode_ranges),
+					      sizeof (OS2Range),
+					      OS2Range::cmp, nullptr);
  if (range != nullptr)
    return range->bit;
  return -1;
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@ -331,6 +331,275 @@ data_destroy_indic (void *data)
  free (data);
 }

+static void
+_output_with_dotted_circle (hb_buffer_t *buffer)
+{
+  hb_glyph_info_t &dottedcircle = buffer->output_glyph (0x25CCu);
+  _hb_glyph_info_reset_continuation (&dottedcircle);
+
+  buffer->next_glyph ();
+}
+
+static void
+preprocess_text_indic (const hb_ot_shape_plan_t *plan,
+		       hb_buffer_t              *buffer,
+		       hb_font_t                *font)
+{
+  /* UGLY UGLY UGLY business of adding dotted-circle in the middle of
+   * vowel-sequences that look like another vowel.  Data for each script
+   * collected from Unicode 11 book, tables named "Vowel Letters" with
+   * "Use" and "Do Not Use" columns.
+   *
+   * https://github.com/harfbuzz/harfbuzz/issues/1019
+   */
+  bool processed = false;
+  buffer->clear_output ();
+  unsigned int count = buffer->len;
+  switch ((unsigned) buffer->props.script)
+  {
+    case HB_SCRIPT_DEVANAGARI:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0905u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x093Au: case 0x093Bu: case 0x093Eu: case 0x0945u:
+	      case 0x0946u: case 0x0949u: case 0x094Au: case 0x094Bu:
+	      case 0x094Cu: case 0x094Fu: case 0x0956u: case 0x0957u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0906u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x093Au: case 0x0945u: case 0x0946u: case 0x0947u:
+	      case 0x0948u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0909u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0941u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x090Fu:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0945u: case 0x0946u: case 0x0947u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0930u:
+	    if (0x094Du == buffer->cur(1).codepoint &&
+		buffer->idx + 2 < count &&
+	        0x0907u == buffer->cur(2).codepoint)
+	    {
+	      buffer->next_glyph ();
+	      buffer->next_glyph ();
+	      buffer->output_glyph (0x25CCu);
+	    }
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_BENGALI:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0985u:
+	    matched = 0x09BE == buffer->cur(1).codepoint;
+	    break;
+	  case 0x098Bu:
+	    matched = 0x09C3 == buffer->cur(1).codepoint;
+	    break;
+	  case 0x098Cu:
+	    matched = 0x09E2 == buffer->cur(1).codepoint;
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_GURMUKHI:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0A05u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0A3Eu: case 0x0A48u: case 0x0A4Cu:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0A72u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0A3Fu: case 0x0A40u: case 0x0A47u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0A73u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0A41u: case 0x0A42u: case 0x0A4Bu:
+		matched = true;
+		break;
+	    }
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_GUJARATI:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0A85u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0ABEu: case 0x0AC5u: case 0x0AC7u: case 0x0AC8u:
+	      case 0x0AC9u: case 0x0ACBu: case 0x0ACCu:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0AC5u:
+	    matched = 0x0ABE == buffer->cur(1).codepoint;
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_ORIYA:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0B05u:
+	    matched = 0x0B3E == buffer->cur(1).codepoint;
+	    break;
+	  case 0x0B0Fu: case 0x0B13u:
+	    matched = 0x0B57 == buffer->cur(1).codepoint;
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_TELUGU:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0C12u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0C4Cu: case 0x0C55u:
+		matched = true;
+		break;
+	    }
+	    break;
+	  case 0x0C3Fu: case 0x0C46u: case 0xC4Au:
+	    matched = 0x0C55 == buffer->cur(1).codepoint;
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_KANNADA:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0C89u: case 0x0C8Bu:
+	    matched = 0x0CBE == buffer->cur(1).codepoint;
+	    break;
+	  case 0x0C92u:
+	    matched = 0x0CCC == buffer->cur(1).codepoint;
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    case HB_SCRIPT_MALAYALAM:
+      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
+      {
+	bool matched = false;
+	switch (buffer->cur().codepoint)
+	{
+	  case 0x0D07u: case 0x0D09u:
+	    matched = 0x0D57 == buffer->cur(1).codepoint;
+	    break;
+	  case 0x0D0Eu:
+	    matched = 0x0D46 == buffer->cur(1).codepoint;
+	    break;
+	  case 0x0D12u:
+	    switch (buffer->cur(1).codepoint)
+	    {
+	      case 0x0D3Eu: case 0x0D57u:
+		matched = true;
+		break;
+	    }
+	    break;
+	}
+	buffer->next_glyph ();
+	if (matched) _output_with_dotted_circle (buffer);
+      }
+      processed = true;
+      break;
+
+    default:
+      break;
+  }
+  if (processed)
+  {
+    if (buffer->idx < count)
+      buffer->next_glyph ();
+    if (likely (buffer->successful))
+      buffer->swap_buffers ();
+  }
+}
+
 static indic_position_t
 consonant_position_from_face (const indic_shape_plan_t *indic_plan,
 			      const hb_codepoint_t consonant,
@ -963,7 +1232,8 @@ insert_dotted_circles (const hb_ot_shape_plan_t *plan HB_UNUSED,
 		       hb_font_t *font,
 		       hb_buffer_t *buffer)
 {
-  /* Note: This loop is extra overhead, but should not be measurable. */
+  /* Note: This loop is extra overhead, but should not be measurable.
+   * TODO Use a buffer scratch flag to remove the loop. */
  bool has_broken_syllables = false;
  unsigned int count = buffer->len;
  hb_glyph_info_t *info = buffer->info;
@ -1614,7 +1884,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
  override_features_indic,
  data_create_indic,
  data_destroy_indic,
-  nullptr, /* preprocess_text */
+  preprocess_text_indic,
  nullptr, /* postprocess_glyphs */
  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
  decompose_indic,
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@ -324,9 +324,9 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
    }

    /* Is SARA AM. Decompose and reorder. */
-    hb_codepoint_t decomposed[2] = {hb_codepoint_t (NIKHAHIT_FROM_SARA_AM (u)),
-				    hb_codepoint_t (SARA_AA_FROM_SARA_AM (u))};
-    buffer->replace_glyphs (1, 2, decomposed);
+    hb_glyph_info_t &nikhahit = buffer->output_glyph (NIKHAHIT_FROM_SARA_AM (u));
+    _hb_glyph_info_set_continuation (&nikhahit);
+    buffer->replace_glyph (SARA_AA_FROM_SARA_AM (u));
    if (unlikely (!buffer->successful))
      return;

@ -357,7 +357,8 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 	buffer->merge_out_clusters (start - 1, end);
    }
  }
-  buffer->swap_buffers ();
+  if (likely (buffer->successful))
+    buffer->swap_buffers ();

  /* If font has Thai GSUB, we are done. */
  if (plan->props.script == HB_SCRIPT_THAI && !plan->map.found_script[0])
--- a/src/hb-ot-shape-complex-use-machine.hh
+++ b/src/hb-ot-shape-complex-use-machine.hh
@ -36,227 +36,266 @@

 #line 38 "hb-ot-shape-complex-use-machine.hh"
 static const unsigned char _use_syllable_machine_trans_keys[] = {
-	12u, 12u, 1u, 15u, 1u, 1u, 12u, 12u, 0u, 43u, 21u, 21u, 8u, 39u, 8u, 39u, 
-	1u, 15u, 1u, 1u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u, 
-	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 
-	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 13u, 21u, 4u, 4u, 13u, 13u, 8u, 39u, 
-	8u, 39u, 8u, 39u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u, 8u, 39u, 8u, 39u, 
-	8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 8u, 39u, 
-	8u, 39u, 1u, 15u, 12u, 12u, 1u, 39u, 8u, 39u, 21u, 42u, 41u, 42u, 42u, 42u, 
-	1u, 5u, 0
+	12u, 44u, 1u, 15u, 1u, 1u, 12u, 44u, 0u, 44u, 21u, 21u, 8u, 44u, 8u, 44u,
+	1u, 15u, 1u, 1u, 8u, 44u, 8u, 44u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u,
+	8u, 39u, 8u, 39u, 8u, 39u, 8u, 44u, 8u, 44u, 8u, 44u, 8u, 44u, 8u, 44u,
+	8u, 44u, 8u, 44u, 8u, 44u, 1u, 39u, 8u, 44u, 13u, 21u, 4u, 4u, 13u, 13u,
+	8u, 44u, 8u, 44u, 8u, 44u, 8u, 39u, 8u, 26u, 8u, 26u, 8u, 26u, 8u, 39u,
+	8u, 39u, 8u, 39u, 8u, 44u, 8u, 44u, 8u, 44u, 8u, 44u, 8u, 44u, 8u, 44u,
+	8u, 44u, 8u, 44u, 1u, 39u, 1u, 15u, 12u, 44u, 1u, 44u, 8u, 44u, 21u, 42u,
+	41u, 42u, 42u, 42u, 1u, 5u, 0
 };

 static const char _use_syllable_machine_key_spans[] = {
-	1, 15, 1, 1, 44, 1, 32, 32, 
-	15, 1, 32, 32, 32, 19, 19, 19, 
-	32, 32, 32, 32, 32, 32, 32, 32, 
-	32, 32, 32, 32, 9, 1, 1, 32, 
-	32, 32, 32, 19, 19, 19, 32, 32, 
-	32, 32, 32, 32, 32, 32, 32, 32, 
-	32, 15, 1, 39, 32, 22, 2, 1, 
-	5
+	33, 15, 1, 33, 45, 1, 37, 37,
+	15, 1, 37, 37, 32, 19, 19, 19,
+	32, 32, 32, 37, 37, 37, 37, 37,
+	37, 37, 37, 39, 37, 9, 1, 1,
+	37, 37, 37, 32, 19, 19, 19, 32,
+	32, 32, 37, 37, 37, 37, 37, 37,
+	37, 37, 39, 15, 33, 44, 37, 22,
+	2, 1, 5
 };

 static const short _use_syllable_machine_index_offsets[] = {
-	0, 2, 18, 20, 22, 67, 69, 102, 
-	135, 151, 153, 186, 219, 252, 272, 292, 
-	312, 345, 378, 411, 444, 477, 510, 543, 
-	576, 609, 642, 675, 708, 718, 720, 722, 
-	755, 788, 821, 854, 874, 894, 914, 947, 
-	980, 1013, 1046, 1079, 1112, 1145, 1178, 1211, 
-	1244, 1277, 1293, 1295, 1335, 1368, 1391, 1394, 
-	1396
+	0, 34, 50, 52, 86, 132, 134, 172,
+	210, 226, 228, 266, 304, 337, 357, 377,
+	397, 430, 463, 496, 534, 572, 610, 648,
+	686, 724, 762, 800, 840, 878, 888, 890,
+	892, 930, 968, 1006, 1039, 1059, 1079, 1099,
+	1132, 1165, 1198, 1236, 1274, 1312, 1350, 1388,
+	1426, 1464, 1502, 1542, 1558, 1592, 1637, 1675,
+	1698, 1701, 1703
 };

 static const char _use_syllable_machine_indicies[] = {
+	1, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
 	1, 0, 3, 2, 2, 2, 2, 2, 
 	2, 2, 2, 2, 2, 2, 2, 2, 
-	4, 2, 3, 2, 6, 5, 7, 8, 
+	4, 2, 3, 2, 6, 5, 5, 5,
+	5, 5, 5, 5, 5, 5, 5, 5,
+	5, 5, 5, 5, 5, 5, 5, 5,
+	5, 5, 5, 5, 5, 5, 5, 5,
+	5, 5, 5, 5, 6, 5, 7, 8,
 	9, 7, 10, 8, 9, 9, 11, 9, 
 	9, 3, 12, 9, 9, 13, 7, 7, 
 	14, 15, 9, 9, 16, 17, 18, 19, 
 	20, 21, 22, 16, 23, 24, 25, 26, 
 	27, 28, 9, 29, 30, 31, 9, 9, 
-	9, 32, 9, 34, 33, 36, 35, 35, 
-	37, 1, 35, 35, 38, 35, 35, 35, 
-	35, 35, 39, 40, 41, 42, 43, 44, 
-	45, 46, 40, 47, 39, 48, 49, 50, 
-	51, 35, 52, 53, 54, 35, 36, 35, 
-	35, 37, 1, 35, 35, 38, 35, 35, 
-	35, 35, 35, 55, 40, 41, 42, 43, 
-	44, 45, 46, 40, 47, 48, 48, 49, 
-	50, 51, 35, 52, 53, 54, 35, 37, 
-	56, 56, 56, 56, 56, 56, 56, 56, 
-	56, 56, 56, 56, 56, 57, 56, 37, 
-	56, 36, 35, 35, 37, 1, 35, 35, 
-	38, 35, 35, 35, 35, 35, 35, 40, 
-	41, 42, 43, 44, 45, 46, 40, 47, 
-	48, 48, 49, 50, 51, 35, 52, 53, 
-	54, 35, 36, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	40, 41, 42, 43, 44, 35, 35, 35, 
-	35, 35, 35, 49, 50, 51, 35, 52, 
-	53, 54, 35, 36, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 41, 42, 43, 44, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	52, 53, 54, 35, 36, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 42, 43, 44, 35, 
-	36, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 43, 44, 35, 36, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 44, 35, 
-	36, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	42, 43, 44, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 52, 53, 54, 
-	35, 36, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 42, 43, 44, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 53, 
-	54, 35, 36, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 42, 43, 44, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 54, 35, 36, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 41, 42, 43, 44, 35, 35, 
-	35, 35, 35, 35, 49, 50, 51, 35, 
-	52, 53, 54, 35, 36, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 41, 42, 43, 44, 35, 
-	35, 35, 35, 35, 35, 35, 50, 51, 
-	35, 52, 53, 54, 35, 36, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 41, 42, 43, 44, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	51, 35, 52, 53, 54, 35, 36, 35, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 40, 41, 42, 43, 
-	44, 35, 46, 40, 35, 35, 35, 49, 
-	50, 51, 35, 52, 53, 54, 35, 36, 
-	35, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 40, 41, 42, 
-	43, 44, 35, 58, 40, 35, 35, 35, 
-	49, 50, 51, 35, 52, 53, 54, 35, 
-	36, 35, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 40, 41, 
-	42, 43, 44, 35, 35, 40, 35, 35, 
-	35, 49, 50, 51, 35, 52, 53, 54, 
-	35, 36, 35, 35, 35, 35, 35, 35, 
-	35, 35, 35, 35, 35, 35, 35, 40, 
-	41, 42, 43, 44, 45, 46, 40, 35, 
-	35, 35, 49, 50, 51, 35, 52, 53, 
-	54, 35, 36, 35, 35, 37, 1, 35, 
-	35, 38, 35, 35, 35, 35, 35, 35, 
-	40, 41, 42, 43, 44, 45, 46, 40, 
-	47, 35, 48, 49, 50, 51, 35, 52, 
-	53, 54, 35, 36, 35, 35, 37, 1, 
-	35, 35, 38, 35, 35, 35, 35, 35, 
-	35, 40, 41, 42, 43, 44, 45, 46, 
-	40, 47, 39, 48, 49, 50, 51, 35, 
-	52, 53, 54, 35, 60, 59, 59, 59, 
-	59, 59, 59, 59, 61, 59, 10, 62, 
-	60, 59, 11, 63, 63, 3, 6, 63, 
-	63, 64, 63, 63, 63, 63, 63, 65, 
+	9, 32, 33, 9, 35, 34, 37, 36,
+	36, 38, 1, 36, 36, 39, 36, 36,
+	36, 36, 36, 40, 41, 42, 43, 44,
+	45, 46, 47, 41, 48, 40, 49, 50,
+	51, 52, 36, 53, 54, 55, 36, 36,
+	36, 36, 56, 36, 37, 36, 36, 38,
+	1, 36, 36, 39, 36, 36, 36, 36,
+	36, 57, 41, 42, 43, 44, 45, 46,
+	47, 41, 48, 49, 49, 50, 51, 52,
+	36, 53, 54, 55, 36, 36, 36, 36,
+	56, 36, 38, 58, 58, 58, 58, 58,
+	58, 58, 58, 58, 58, 58, 58, 58,
+	59, 58, 38, 58, 37, 36, 36, 38,
+	1, 36, 36, 39, 36, 36, 36, 36,
+	36, 36, 41, 42, 43, 44, 45, 46,
+	47, 41, 48, 49, 49, 50, 51, 52,
+	36, 53, 54, 55, 36, 36, 36, 36,
+	56, 36, 37, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	41, 42, 43, 44, 45, 36, 36, 36,
+	36, 36, 36, 50, 51, 52, 36, 53,
+	54, 55, 36, 36, 36, 36, 42, 36,
+	37, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 42,
+	43, 44, 45, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 53, 54, 55,
+	36, 37, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 43, 44, 45, 36, 37, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 44, 45,
+	36, 37, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 45, 36, 37, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 43, 44, 45,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 53, 54, 55, 36, 37, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 43, 44,
+	45, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 54, 55, 36, 37,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 43,
+	44, 45, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 55, 36,
+	37, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 42,
+	43, 44, 45, 36, 36, 36, 36, 36,
+	36, 50, 51, 52, 36, 53, 54, 55,
+	36, 36, 36, 36, 42, 36, 37, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 42, 43, 44,
+	45, 36, 36, 36, 36, 36, 36, 36,
+	51, 52, 36, 53, 54, 55, 36, 36,
+	36, 36, 42, 36, 37, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 42, 43, 44, 45, 36,
+	36, 36, 36, 36, 36, 36, 36, 52,
+	36, 53, 54, 55, 36, 36, 36, 36,
+	42, 36, 37, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	41, 42, 43, 44, 45, 36, 47, 41,
+	36, 36, 36, 50, 51, 52, 36, 53,
+	54, 55, 36, 36, 36, 36, 42, 36,
+	37, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 41, 42,
+	43, 44, 45, 36, 60, 41, 36, 36,
+	36, 50, 51, 52, 36, 53, 54, 55,
+	36, 36, 36, 36, 42, 36, 37, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 36, 36, 41, 42, 43, 44,
+	45, 36, 36, 41, 36, 36, 36, 50,
+	51, 52, 36, 53, 54, 55, 36, 36,
+	36, 36, 42, 36, 37, 36, 36, 36,
+	36, 36, 36, 36, 36, 36, 36, 36,
+	36, 36, 41, 42, 43, 44, 45, 46,
+	47, 41, 36, 36, 36, 50, 51, 52,
+	36, 53, 54, 55, 36, 36, 36, 36,
+	42, 36, 37, 36, 36, 38, 1, 36,
+	36, 39, 36, 36, 36, 36, 36, 36,
+	41, 42, 43, 44, 45, 46, 47, 41,
+	48, 36, 49, 50, 51, 52, 36, 53,
+	54, 55, 36, 36, 36, 36, 56, 36,
+	38, 58, 58, 58, 58, 58, 58, 37,
+	58, 58, 58, 58, 58, 58, 59, 58,
+	58, 58, 58, 58, 58, 58, 42, 43,
+	44, 45, 58, 58, 58, 58, 58, 58,
+	58, 58, 58, 58, 53, 54, 55, 58,
+	37, 36, 36, 38, 1, 36, 36, 39,
+	36, 36, 36, 36, 36, 36, 41, 42,
+	43, 44, 45, 46, 47, 41, 48, 40,
+	49, 50, 51, 52, 36, 53, 54, 55,
+	36, 36, 36, 36, 56, 36, 62, 61,
+	61, 61, 61, 61, 61, 61, 63, 61,
+	10, 64, 62, 61, 11, 65, 65, 3,
+	6, 65, 65, 66, 65, 65, 65, 65,
+	65, 67, 16, 17, 18, 19, 20, 21,
+	22, 16, 23, 25, 25, 26, 27, 28,
+	65, 29, 30, 31, 65, 65, 65, 65,
+	33, 65, 11, 65, 65, 3, 6, 65,
+	65, 66, 65, 65, 65, 65, 65, 65,
 	16, 17, 18, 19, 20, 21, 22, 16, 
-	23, 25, 25, 26, 27, 28, 63, 29, 
-	30, 31, 63, 11, 63, 63, 3, 6, 
-	63, 63, 64, 63, 63, 63, 63, 63, 
-	63, 16, 17, 18, 19, 20, 21, 22, 
-	16, 23, 25, 25, 26, 27, 28, 63, 
-	29, 30, 31, 63, 11, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 16, 17, 18, 19, 20, 63, 
-	63, 63, 63, 63, 63, 26, 27, 28, 
-	63, 29, 30, 31, 63, 11, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 17, 18, 19, 20, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 29, 30, 31, 63, 11, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 18, 19, 
-	20, 63, 11, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 19, 20, 63, 11, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	20, 63, 11, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 18, 19, 20, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 29, 
-	30, 31, 63, 11, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 18, 19, 20, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 30, 31, 63, 11, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 18, 19, 20, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 31, 63, 11, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 17, 18, 19, 20, 
-	63, 63, 63, 63, 63, 63, 26, 27, 
-	28, 63, 29, 30, 31, 63, 11, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 17, 18, 19, 
-	20, 63, 63, 63, 63, 63, 63, 63, 
-	27, 28, 63, 29, 30, 31, 63, 11, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 17, 18, 
-	19, 20, 63, 63, 63, 63, 63, 63, 
-	63, 63, 28, 63, 29, 30, 31, 63, 
-	11, 63, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 16, 17, 
-	18, 19, 20, 63, 22, 16, 63, 63, 
-	63, 26, 27, 28, 63, 29, 30, 31, 
-	63, 11, 63, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 16, 
-	17, 18, 19, 20, 63, 66, 16, 63, 
-	63, 63, 26, 27, 28, 63, 29, 30, 
-	31, 63, 11, 63, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	16, 17, 18, 19, 20, 63, 63, 16, 
-	63, 63, 63, 26, 27, 28, 63, 29, 
-	30, 31, 63, 11, 63, 63, 63, 63, 
-	63, 63, 63, 63, 63, 63, 63, 63, 
-	63, 16, 17, 18, 19, 20, 21, 22, 
-	16, 63, 63, 63, 26, 27, 28, 63, 
-	29, 30, 31, 63, 11, 63, 63, 3, 
-	6, 63, 63, 64, 63, 63, 63, 63, 
-	63, 63, 16, 17, 18, 19, 20, 21, 
-	22, 16, 23, 63, 25, 26, 27, 28, 
-	63, 29, 30, 31, 63, 3, 67, 67, 
-	67, 67, 67, 67, 67, 67, 67, 67, 
-	67, 67, 67, 4, 67, 6, 67, 8, 
-	63, 63, 63, 8, 63, 63, 11, 63, 
-	63, 3, 6, 63, 63, 64, 63, 63, 
-	63, 63, 63, 63, 16, 17, 18, 19, 
-	20, 21, 22, 16, 23, 24, 25, 26, 
-	27, 28, 63, 29, 30, 31, 63, 11, 
-	63, 63, 3, 6, 63, 63, 64, 63, 
-	63, 63, 63, 63, 63, 16, 17, 18, 
+	23, 25, 25, 26, 27, 28, 65, 29,
+	30, 31, 65, 65, 65, 65, 33, 65,
+	11, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 16, 17,
+	18, 19, 20, 65, 65, 65, 65, 65,
+	65, 26, 27, 28, 65, 29, 30, 31,
+	65, 65, 65, 65, 17, 65, 11, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 17, 18, 19,
+	20, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 29, 30, 31, 65, 11,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 18,
+	19, 20, 65, 11, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 19, 20, 65, 11,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 20, 65, 11, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 18, 19, 20, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	29, 30, 31, 65, 11, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 18, 19, 20, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 30, 31, 65, 11, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 18, 19, 20,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 31, 65, 11, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 17, 18, 19,
+	20, 65, 65, 65, 65, 65, 65, 26,
+	27, 28, 65, 29, 30, 31, 65, 65,
+	65, 65, 17, 65, 11, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 17, 18, 19, 20, 65,
+	65, 65, 65, 65, 65, 65, 27, 28,
+	65, 29, 30, 31, 65, 65, 65, 65,
+	17, 65, 11, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 17, 18, 19, 20, 65, 65, 65,
+	65, 65, 65, 65, 65, 28, 65, 29,
+	30, 31, 65, 65, 65, 65, 17, 65,
+	11, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 16, 17,
+	18, 19, 20, 65, 22, 16, 65, 65,
+	65, 26, 27, 28, 65, 29, 30, 31,
+	65, 65, 65, 65, 17, 65, 11, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 16, 17, 18, 19,
+	20, 65, 68, 16, 65, 65, 65, 26,
+	27, 28, 65, 29, 30, 31, 65, 65,
+	65, 65, 17, 65, 11, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 16, 17, 18, 19, 20, 65,
+	65, 16, 65, 65, 65, 26, 27, 28,
+	65, 29, 30, 31, 65, 65, 65, 65,
+	17, 65, 11, 65, 65, 65, 65, 65,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	16, 17, 18, 19, 20, 21, 22, 16,
+	65, 65, 65, 26, 27, 28, 65, 29,
+	30, 31, 65, 65, 65, 65, 17, 65,
+	11, 65, 65, 3, 6, 65, 65, 66,
+	65, 65, 65, 65, 65, 65, 16, 17,
+	18, 19, 20, 21, 22, 16, 23, 65,
+	25, 26, 27, 28, 65, 29, 30, 31,
+	65, 65, 65, 65, 33, 65, 3, 65,
+	65, 65, 65, 65, 65, 11, 65, 65,
+	65, 65, 65, 65, 4, 65, 65, 65,
+	65, 65, 65, 65, 17, 18, 19, 20,
+	65, 65, 65, 65, 65, 65, 65, 65,
+	65, 65, 29, 30, 31, 65, 3, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 4, 69, 6, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 69, 69, 69, 6, 69,
+	8, 65, 65, 65, 8, 65, 65, 11,
+	65, 65, 3, 6, 65, 65, 66, 65,
+	65, 65, 65, 65, 65, 16, 17, 18,
 	19, 20, 21, 22, 16, 23, 24, 25, 
-	26, 27, 28, 63, 29, 30, 31, 63, 
-	69, 68, 68, 68, 68, 68, 68, 68, 
-	68, 68, 68, 68, 68, 68, 68, 68, 
-	68, 68, 68, 68, 69, 70, 68, 69, 
-	70, 68, 70, 68, 8, 67, 67, 67, 
-	8, 67, 0
+	26, 27, 28, 65, 29, 30, 31, 65,
+	65, 65, 65, 33, 65, 11, 65, 65,
+	3, 6, 65, 65, 66, 65, 65, 65,
+	65, 65, 65, 16, 17, 18, 19, 20,
+	21, 22, 16, 23, 24, 25, 26, 27,
+	28, 65, 29, 30, 31, 65, 65, 65,
+	65, 33, 65, 71, 70, 70, 70, 70,
+	70, 70, 70, 70, 70, 70, 70, 70,
+	70, 70, 70, 70, 70, 70, 70, 71,
+	72, 70, 71, 72, 70, 72, 70, 8,
+	69, 69, 69, 8, 69, 0
 };

 static const char _use_syllable_machine_trans_targs[] = {
-	4, 8, 4, 31, 2, 4, 1, 5, 
-	6, 4, 28, 4, 49, 50, 51, 53, 
-	33, 34, 35, 36, 37, 44, 45, 47, 
-	52, 48, 41, 42, 43, 38, 39, 40, 
-	56, 4, 4, 4, 4, 7, 0, 27, 
-	11, 12, 13, 14, 15, 22, 23, 25, 
-	26, 19, 20, 21, 16, 17, 18, 10, 
-	4, 9, 24, 4, 29, 30, 4, 4, 
-	3, 32, 46, 4, 4, 54, 55
+	4, 8, 4, 32, 2, 4, 1, 5,
+	6, 4, 29, 4, 51, 52, 53, 55,
+	34, 35, 36, 37, 38, 45, 46, 48,
+	54, 49, 42, 43, 44, 39, 40, 41,
+	58, 50, 4, 4, 4, 4, 7, 0,
+	28, 11, 12, 13, 14, 15, 22, 23,
+	25, 26, 19, 20, 21, 16, 17, 18,
+	27, 10, 4, 9, 24, 4, 30, 31,
+	4, 4, 3, 33, 47, 4, 4, 56,
+	57
 };

 static const char _use_syllable_machine_trans_actions[] = {
@ -264,11 +303,12 @@ static const char _use_syllable_machine_trans_actions[] = {
 	7, 8, 0, 9, 10, 10, 3, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	3, 3, 0, 0, 0, 0, 0, 0, 
-	0, 11, 12, 13, 14, 7, 0, 7, 
-	0, 0, 0, 0, 0, 0, 0, 0, 
-	7, 0, 0, 0, 0, 0, 0, 7, 
-	15, 0, 0, 16, 0, 0, 17, 18, 
-	0, 3, 0, 19, 20, 0, 0
+	0, 3, 11, 12, 13, 14, 7, 0,
+	7, 0, 0, 0, 0, 0, 0, 0,
+	0, 7, 0, 0, 0, 0, 0, 0,
+	0, 7, 15, 0, 0, 16, 0, 0,
+	17, 18, 0, 3, 0, 19, 20, 0,
+	0
 };

 static const char _use_syllable_machine_to_state_actions[] = {
@ -279,7 +319,7 @@ static const char _use_syllable_machine_to_state_actions[] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
-	0
+	0, 0, 0
 };

 static const char _use_syllable_machine_from_state_actions[] = {
@ -290,18 +330,18 @@ static const char _use_syllable_machine_from_state_actions[] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
-	0
+	0, 0, 0
 };

 static const short _use_syllable_machine_eof_trans[] = {
-	1, 3, 3, 6, 0, 34, 36, 36, 
-	57, 57, 36, 36, 36, 36, 36, 36, 
-	36, 36, 36, 36, 36, 36, 36, 36, 
-	36, 36, 36, 36, 60, 63, 60, 64, 
-	64, 64, 64, 64, 64, 64, 64, 64, 
-	64, 64, 64, 64, 64, 64, 64, 64, 
-	64, 68, 68, 64, 64, 69, 69, 69, 
-	68
+	1, 3, 3, 6, 0, 35, 37, 37,
+	59, 59, 37, 37, 37, 37, 37, 37,
+	37, 37, 37, 37, 37, 37, 37, 37,
+	37, 37, 37, 59, 37, 62, 65, 62,
+	66, 66, 66, 66, 66, 66, 66, 66,
+	66, 66, 66, 66, 66, 66, 66, 66,
+	66, 66, 66, 70, 70, 66, 66, 71,
+	71, 71, 70
 };

 static const int use_syllable_machine_start = 4;
@ -315,7 +355,7 @@ static const int use_syllable_machine_en_main = 4;



-#line 140 "hb-ot-shape-complex-use-machine.rl"
+#line 143 "hb-ot-shape-complex-use-machine.rl"


 #define found_syllable(syllable_type) \
@ -334,7 +374,7 @@ find_syllables (hb_buffer_t *buffer)
  int cs;
  hb_glyph_info_t *info = buffer->info;
  
-#line 338 "hb-ot-shape-complex-use-machine.hh"
+#line 378 "hb-ot-shape-complex-use-machine.hh"
 	{
 	cs = use_syllable_machine_start;
 	ts = 0;
@ -342,7 +382,7 @@ find_syllables (hb_buffer_t *buffer)
 	act = 0;
 	}

-#line 160 "hb-ot-shape-complex-use-machine.rl"
+#line 163 "hb-ot-shape-complex-use-machine.rl"


  p = 0;
@ -350,7 +390,7 @@ find_syllables (hb_buffer_t *buffer)

  unsigned int syllable_serial = 1;
  
-#line 354 "hb-ot-shape-complex-use-machine.hh"
+#line 394 "hb-ot-shape-complex-use-machine.hh"
 	{
 	int _slen;
 	int _trans;
@ -364,7 +404,7 @@ _resume:
 #line 1 "NONE"
 	{ts = p;}
 	break;
-#line 368 "hb-ot-shape-complex-use-machine.hh"
+#line 408 "hb-ot-shape-complex-use-machine.hh"
 	}

 	_keys = _use_syllable_machine_trans_keys + (cs<<1);
@ -387,59 +427,59 @@ _eof_trans:
 	{te = p+1;}
 	break;
 	case 12:
-#line 129 "hb-ot-shape-complex-use-machine.rl"
+#line 132 "hb-ot-shape-complex-use-machine.rl"
 	{te = p+1;{ found_syllable (independent_cluster); }}
 	break;
 	case 14:
-#line 131 "hb-ot-shape-complex-use-machine.rl"
+#line 134 "hb-ot-shape-complex-use-machine.rl"
 	{te = p+1;{ found_syllable (standard_cluster); }}
 	break;
 	case 9:
-#line 135 "hb-ot-shape-complex-use-machine.rl"
+#line 138 "hb-ot-shape-complex-use-machine.rl"
 	{te = p+1;{ found_syllable (broken_cluster); }}
 	break;
 	case 8:
-#line 136 "hb-ot-shape-complex-use-machine.rl"
+#line 139 "hb-ot-shape-complex-use-machine.rl"
 	{te = p+1;{ found_syllable (non_cluster); }}
 	break;
 	case 11:
-#line 129 "hb-ot-shape-complex-use-machine.rl"
+#line 132 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (independent_cluster); }}
 	break;
 	case 15:
-#line 130 "hb-ot-shape-complex-use-machine.rl"
+#line 133 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (virama_terminated_cluster); }}
 	break;
 	case 13:
-#line 131 "hb-ot-shape-complex-use-machine.rl"
+#line 134 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (standard_cluster); }}
 	break;
 	case 17:
-#line 132 "hb-ot-shape-complex-use-machine.rl"
+#line 135 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (number_joiner_terminated_cluster); }}
 	break;
 	case 16:
-#line 133 "hb-ot-shape-complex-use-machine.rl"
+#line 136 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (numeral_cluster); }}
 	break;
 	case 20:
-#line 134 "hb-ot-shape-complex-use-machine.rl"
+#line 137 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (symbol_cluster); }}
 	break;
 	case 18:
-#line 135 "hb-ot-shape-complex-use-machine.rl"
+#line 138 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (broken_cluster); }}
 	break;
 	case 19:
-#line 136 "hb-ot-shape-complex-use-machine.rl"
+#line 139 "hb-ot-shape-complex-use-machine.rl"
 	{te = p;p--;{ found_syllable (non_cluster); }}
 	break;
 	case 1:
-#line 131 "hb-ot-shape-complex-use-machine.rl"
+#line 134 "hb-ot-shape-complex-use-machine.rl"
 	{{p = ((te))-1;}{ found_syllable (standard_cluster); }}
 	break;
 	case 4:
-#line 135 "hb-ot-shape-complex-use-machine.rl"
+#line 138 "hb-ot-shape-complex-use-machine.rl"
 	{{p = ((te))-1;}{ found_syllable (broken_cluster); }}
 	break;
 	case 2:
@ -457,16 +497,16 @@ _eof_trans:
 	case 3:
 #line 1 "NONE"
 	{te = p+1;}
-#line 135 "hb-ot-shape-complex-use-machine.rl"
+#line 138 "hb-ot-shape-complex-use-machine.rl"
 	{act = 7;}
 	break;
 	case 10:
 #line 1 "NONE"
 	{te = p+1;}
-#line 136 "hb-ot-shape-complex-use-machine.rl"
+#line 139 "hb-ot-shape-complex-use-machine.rl"
 	{act = 8;}
 	break;
-#line 470 "hb-ot-shape-complex-use-machine.hh"
+#line 510 "hb-ot-shape-complex-use-machine.hh"
 	}

 _again:
@ -475,7 +515,7 @@ _again:
 #line 1 "NONE"
 	{ts = 0;}
 	break;
-#line 479 "hb-ot-shape-complex-use-machine.hh"
+#line 519 "hb-ot-shape-complex-use-machine.hh"
 	}

 	if ( ++p != pe )
@ -491,7 +531,7 @@ _again:

 	}

-#line 168 "hb-ot-shape-complex-use-machine.rl"
+#line 171 "hb-ot-shape-complex-use-machine.rl"

 }

--- a/src/hb-ot-shape-complex-use-machine.rl
+++ b/src/hb-ot-shape-complex-use-machine.rl
@ -88,13 +88,16 @@ SMAbv	= 41; # SYM_MOD_ABOVE
 SMBlw	= 42; # SYM_MOD_BELOW
 CS	= 43; # CONS_WITH_STACKER

+HVM	= 44; # HALANT_OR_VOWEL_MODIFIER
+
+h = H | HVM; # https://github.com/harfbuzz/harfbuzz/issues/1102

 # Override: Adhoc ZWJ placement. https://github.com/harfbuzz/harfbuzz/issues/542#issuecomment-353169729
-consonant_modifiers = CMAbv* CMBlw* ((ZWJ?.H.ZWJ? B | SUB) VS? CMAbv? CMBlw*)*;
+consonant_modifiers = CMAbv* CMBlw* ((ZWJ?.h.ZWJ? B | SUB) VS? CMAbv? CMBlw*)*;
 # Override: Allow two MBlw. https://github.com/harfbuzz/harfbuzz/issues/376
 medial_consonants = MPre? MAbv? MBlw?.MBlw? MPst?;
 dependent_vowels = VPre* VAbv* VBlw* VPst*;
-vowel_modifiers = VMPre* VMAbv* VMBlw* VMPst*;
+vowel_modifiers = HVM? VMPre* VMAbv* VMBlw* VMPst*;
 final_consonants = FAbv* FBlw* FPst* FM?;

 complex_syllable_tail =
@ -108,7 +111,7 @@ complex_syllable_tail =
 virama_terminated_cluster =
 	(R|CS)? (B | GB) VS?
 	consonant_modifiers
-	ZWJ?.H.ZWJ?
+	ZWJ?.h.ZWJ?
 ;
 standard_cluster =
 	(R|CS)? (B | GB) VS?
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@ -24,6 +24,7 @@
 #define GB	USE_GB	/* BASE_OTHER */
 #define H	USE_H	/* HALANT */
 #define HN	USE_HN	/* HALANT_NUM */
+#define HVM	USE_HVM	/* HALANT_OR_VOWEL_MODIFIER */
 #define IND	USE_IND	/* BASE_IND */
 #define N	USE_N	/* BASE_NUM */
 #define O	USE_O	/* OTHER */
@ -508,7 +509,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
  /* 11010 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
  /* 11020 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
  /* 11030 */     B,     B,     B,     B,     B,     B,     B,     B,  VAbv,  VAbv,  VAbv,  VAbv,  VBlw,  VBlw,  VBlw,  VBlw,
-  /* 11040 */  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,     H,     O,     O,     O,     O,     O,     O,     O,     O,     O,
+  /* 11040 */  VBlw,  VBlw,  VAbv,  VAbv,  VAbv,  VAbv,   HVM,     O,     O,     O,     O,     O,     O,     O,     O,     O,
  /* 11050 */     O,     O,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,     N,
  /* 11060 */     N,     N,     N,     N,     N,     N,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
  /* 11070 */     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,     O,    HN,
@ -800,6 +801,7 @@ hb_use_get_category (hb_codepoint_t u)
 #undef GB
 #undef H
 #undef HN
+#undef HVM
 #undef IND
 #undef N
 #undef O
--- a/src/hb-ot-shape-complex-use.hh
+++ b/src/hb-ot-shape-complex-use.hh
@ -88,7 +88,10 @@ enum use_category_t {
  USE_VMPre	= 23,	/* VOWEL_MOD_PRE */
  USE_SMAbv	= 41,	/* SYM_MOD_ABOVE */
  USE_SMBlw	= 42,	/* SYM_MOD_BELOW */
-  USE_CS	= 43	/* CONS_WITH_STACKER */
+  USE_CS	= 43,	/* CONS_WITH_STACKER */
+
+  /* https://github.com/harfbuzz/harfbuzz/issues/1102 */
+  USE_HVM	= 44,	/* HALANT_OR_VOWEL_MODIFIER */
 };

 HB_INTERNAL USE_TABLE_ELEMENT_TYPE
--- a/src/hb-ot-shape-complex.hh
+++ b/src/hb-ot-shape-complex.hh
@ -237,13 +237,6 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
      return &_hb_ot_complex_shaper_hebrew;


-    /* ^--- Add new shapers here */
-
-#if 0
-    /* Unicode-4.1 additions */
-    case HB_SCRIPT_NEW_TAI_LUE:
-#endif
-
    /* Unicode-1.1 additions */
    case HB_SCRIPT_BENGALI:
    case HB_SCRIPT_DEVANAGARI:
@ -350,9 +343,9 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)

    /* Unicode-8.0 additions */
    case HB_SCRIPT_AHOM:
-    //case HB_SCRIPT_MULTANI:

    /* Unicode-9.0 additions */
+    //case HB_SCRIPT_ADLAM:
    case HB_SCRIPT_BHAIKSUKI:
    case HB_SCRIPT_MARCHEN:
    case HB_SCRIPT_NEWA:
@ -365,7 +358,9 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
    /* Unicode-11.0 additions */
    case HB_SCRIPT_DOGRA:
    case HB_SCRIPT_GUNJALA_GONDI:
+    //case HB_SCRIPT_HANIFI_ROHINGYA:
    case HB_SCRIPT_MAKASAR:
+    //case HB_SCRIPT_SOGDIAN:

      /* If the designer designed the font for the 'DFLT' script,
       * (or we ended up arbitrarily pick 'latn'), use the default shaper.
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@ -275,10 +275,39 @@ struct hb_ot_shape_context_t
 static void
 hb_set_unicode_props (hb_buffer_t *buffer)
 {
+  /* Implement enough of Unicode Graphemes here that shaping
+   * in reverse-direction wouldn't break graphemes.  Namely,
+   * we mark all marks and ZWJ and ZWJ,Extended_Pictographic
+   * sequences as continuations.  The foreach_grapheme()
+   * macro uses this bit.
+   *
+   * https://www.unicode.org/reports/tr29/#Regex_Definitions
+   */
  unsigned int count = buffer->len;
  hb_glyph_info_t *info = buffer->info;
  for (unsigned int i = 0; i < count; i++)
+  {
    _hb_glyph_info_set_unicode_props (&info[i], buffer);
+
+    /* Marks are already set as continuation by the above line.
+     * Handle Emoji_Modifier and ZWJ-continuation. */
+    if (unlikely (_hb_glyph_info_get_general_category (&info[i]) == HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL &&
+		  hb_in_range<hb_codepoint_t> (info[i].codepoint, 0x1F3FBu, 0x1F3FFu)))
+    {
+	_hb_glyph_info_set_continuation (&info[i]);
+    }
+    else if (unlikely (_hb_glyph_info_is_zwj (&info[i])))
+    {
+      _hb_glyph_info_set_continuation (&info[i]);
+      if (i + 1 < count &&
+	  _hb_unicode_is_emoji_Extended_Pictographic (info[i + 1].codepoint))
+      {
+        i++;
+	_hb_glyph_info_set_unicode_props (&info[i], buffer);
+	_hb_glyph_info_set_continuation (&info[i]);
+      }
+    }
+  }
 }

 static void
@ -286,8 +315,7 @@ hb_insert_dotted_circle (hb_buffer_t *buffer, hb_font_t *font)
 {
  if (!(buffer->flags & HB_BUFFER_FLAG_BOT) ||
      buffer->context_len[0] ||
-      _hb_glyph_info_get_general_category (&buffer->info[0]) !=
-      HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)
+      !_hb_glyph_info_is_unicode_mark (&buffer->info[0]))
    return;

  if (!font->has_glyph (0x25CCu))
@ -316,26 +344,12 @@ hb_form_clusters (hb_buffer_t *buffer)
  if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII))
    return;

-  /* Loop duplicated in hb_ensure_native_direction(), and in _hb-coretext.cc */
-  unsigned int base = 0;
-  unsigned int count = buffer->len;
-  hb_glyph_info_t *info = buffer->info;
-  for (unsigned int i = 1; i < count; i++)
-  {
-    if (likely (!HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&info[i])) &&
-		!_hb_glyph_info_is_joiner (&info[i])))
-    {
-      if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
-	buffer->merge_clusters (base, i);
-      else
-	buffer->unsafe_to_break (base, i);
-      base = i;
-    }
-  }
  if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES)
-    buffer->merge_clusters (base, count);
+    foreach_grapheme (buffer, start, end)
+      buffer->merge_clusters (start, end);
  else
-    buffer->unsafe_to_break (base, count);
+    foreach_grapheme (buffer, start, end)
+      buffer->unsafe_to_break (start, end);
 }

 static void
@ -353,25 +367,17 @@ hb_ensure_native_direction (hb_buffer_t *buffer)
      (HB_DIRECTION_IS_VERTICAL   (direction) &&
       direction != HB_DIRECTION_TTB))
  {
-    /* Same loop as hb_form_clusters().
-     * Since form_clusters() merged clusters already, we don't merge. */
-    unsigned int base = 0;
-    unsigned int count = buffer->len;
-    hb_glyph_info_t *info = buffer->info;
-    for (unsigned int i = 1; i < count; i++)
-    {
-      if (likely (!HB_UNICODE_GENERAL_CATEGORY_IS_MARK (_hb_glyph_info_get_general_category (&info[i]))))
-      {
-	if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
-	  buffer->merge_clusters (base, i);
-	buffer->reverse_range (base, i);

-	base = i;
-      }
-    }
    if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
-      buffer->merge_clusters (base, count);
-    buffer->reverse_range (base, count);
+      foreach_grapheme (buffer, start, end)
+      {
+	buffer->merge_clusters (start, end);
+	buffer->reverse_range (start, end);
+      }
+    else
+      foreach_grapheme (buffer, start, end)
+	/* form_clusters() merged clusters already, we don't merge. */
+	buffer->reverse_range (start, end);

    buffer->reverse ();

--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@ -177,7 +177,7 @@ struct fvar
      v = (v - axis.default_value) / (axis.default_value - axis.min_value);
    else
      v = (v - axis.default_value) / (axis.max_value - axis.default_value);
-    return (int) (v * 16384. + (v >= 0. ? .5 : -.5));
+    return (int) (v * 16384.f + (v >= 0.f ? .5f : -.5f));
  }

  protected:
--- a/src/hb-unicode-emoji-table.hh
+++ b/src/hb-unicode-emoji-table.hh
@ -0,0 +1,269 @@
+/* == Start of generated table == */
+/*
+ * The following tables are generated by running:
+ *
+ *   ./gen-emoji-table.py emoji-data.txt
+ *
+ * on file with this header:
+ *
+ * # emoji-data.txt
+ * # Date: 2018-02-07, 07:55:18 GMT
+ * # © 2018 Unicode®, Inc.
+ * # Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
+ * # For terms of use, see http://www.unicode.org/terms_of_use.html
+ * #
+ * # Emoji Data for UTS #51
+ * # Version: 11.0
+ * #
+ * # For documentation and usage, see http://www.unicode.org/reports/tr51
+ */
+
+#ifndef HB_UNICODE_EMOJI_TABLE_HH
+#define HB_UNICODE_EMOJI_TABLE_HH
+
+#include "hb-unicode.hh"
+
+
+static const struct hb_unicode_range_t _hb_unicode_emoji_Extended_Pictographic_table[] =
+{
+  {0x00A9, 0x00A9},
+  {0x00AE, 0x00AE},
+  {0x203C, 0x203C},
+  {0x2049, 0x2049},
+  {0x2122, 0x2122},
+  {0x2139, 0x2139},
+  {0x2194, 0x2199},
+  {0x21A9, 0x21AA},
+  {0x231A, 0x231B},
+  {0x2328, 0x2328},
+  {0x2388, 0x2388},
+  {0x23CF, 0x23CF},
+  {0x23E9, 0x23F3},
+  {0x23F8, 0x23FA},
+  {0x24C2, 0x24C2},
+  {0x25AA, 0x25AB},
+  {0x25B6, 0x25B6},
+  {0x25C0, 0x25C0},
+  {0x25FB, 0x25FE},
+  {0x2600, 0x2605},
+  {0x2607, 0x2612},
+  {0x2614, 0x2615},
+  {0x2616, 0x2617},
+  {0x2618, 0x2618},
+  {0x2619, 0x2619},
+  {0x261A, 0x266F},
+  {0x2670, 0x2671},
+  {0x2672, 0x267D},
+  {0x267E, 0x267F},
+  {0x2680, 0x2685},
+  {0x2690, 0x2691},
+  {0x2692, 0x269C},
+  {0x269D, 0x269D},
+  {0x269E, 0x269F},
+  {0x26A0, 0x26A1},
+  {0x26A2, 0x26B1},
+  {0x26B2, 0x26B2},
+  {0x26B3, 0x26BC},
+  {0x26BD, 0x26BF},
+  {0x26C0, 0x26C3},
+  {0x26C4, 0x26CD},
+  {0x26CE, 0x26CE},
+  {0x26CF, 0x26E1},
+  {0x26E2, 0x26E2},
+  {0x26E3, 0x26E3},
+  {0x26E4, 0x26E7},
+  {0x26E8, 0x26FF},
+  {0x2700, 0x2700},
+  {0x2701, 0x2704},
+  {0x2705, 0x2705},
+  {0x2708, 0x2709},
+  {0x270A, 0x270B},
+  {0x270C, 0x2712},
+  {0x2714, 0x2714},
+  {0x2716, 0x2716},
+  {0x271D, 0x271D},
+  {0x2721, 0x2721},
+  {0x2728, 0x2728},
+  {0x2733, 0x2734},
+  {0x2744, 0x2744},
+  {0x2747, 0x2747},
+  {0x274C, 0x274C},
+  {0x274E, 0x274E},
+  {0x2753, 0x2755},
+  {0x2757, 0x2757},
+  {0x2763, 0x2767},
+  {0x2795, 0x2797},
+  {0x27A1, 0x27A1},
+  {0x27B0, 0x27B0},
+  {0x27BF, 0x27BF},
+  {0x2934, 0x2935},
+  {0x2B05, 0x2B07},
+  {0x2B1B, 0x2B1C},
+  {0x2B50, 0x2B50},
+  {0x2B55, 0x2B55},
+  {0x3030, 0x3030},
+  {0x303D, 0x303D},
+  {0x3297, 0x3297},
+  {0x3299, 0x3299},
+  {0x1F000, 0x1F02B},
+  {0x1F02C, 0x1F02F},
+  {0x1F030, 0x1F093},
+  {0x1F094, 0x1F09F},
+  {0x1F0A0, 0x1F0AE},
+  {0x1F0AF, 0x1F0B0},
+  {0x1F0B1, 0x1F0BE},
+  {0x1F0BF, 0x1F0BF},
+  {0x1F0C0, 0x1F0C0},
+  {0x1F0C1, 0x1F0CF},
+  {0x1F0D0, 0x1F0D0},
+  {0x1F0D1, 0x1F0DF},
+  {0x1F0E0, 0x1F0F5},
+  {0x1F0F6, 0x1F0FF},
+  {0x1F10D, 0x1F10F},
+  {0x1F12F, 0x1F12F},
+  {0x1F16C, 0x1F16F},
+  {0x1F170, 0x1F171},
+  {0x1F17E, 0x1F17E},
+  {0x1F17F, 0x1F17F},
+  {0x1F18E, 0x1F18E},
+  {0x1F191, 0x1F19A},
+  {0x1F1AD, 0x1F1E5},
+  {0x1F201, 0x1F202},
+  {0x1F203, 0x1F20F},
+  {0x1F21A, 0x1F21A},
+  {0x1F22F, 0x1F22F},
+  {0x1F232, 0x1F23A},
+  {0x1F23C, 0x1F23F},
+  {0x1F249, 0x1F24F},
+  {0x1F250, 0x1F251},
+  {0x1F252, 0x1F25F},
+  {0x1F260, 0x1F265},
+  {0x1F266, 0x1F2FF},
+  {0x1F300, 0x1F320},
+  {0x1F321, 0x1F32C},
+  {0x1F32D, 0x1F32F},
+  {0x1F330, 0x1F335},
+  {0x1F336, 0x1F336},
+  {0x1F337, 0x1F37C},
+  {0x1F37D, 0x1F37D},
+  {0x1F37E, 0x1F37F},
+  {0x1F380, 0x1F393},
+  {0x1F394, 0x1F39F},
+  {0x1F3A0, 0x1F3C4},
+  {0x1F3C5, 0x1F3C5},
+  {0x1F3C6, 0x1F3CA},
+  {0x1F3CB, 0x1F3CE},
+  {0x1F3CF, 0x1F3D3},
+  {0x1F3D4, 0x1F3DF},
+  {0x1F3E0, 0x1F3F0},
+  {0x1F3F1, 0x1F3F7},
+  {0x1F3F8, 0x1F3FA},
+  {0x1F400, 0x1F43E},
+  {0x1F43F, 0x1F43F},
+  {0x1F440, 0x1F440},
+  {0x1F441, 0x1F441},
+  {0x1F442, 0x1F4F7},
+  {0x1F4F8, 0x1F4F8},
+  {0x1F4F9, 0x1F4FC},
+  {0x1F4FD, 0x1F4FE},
+  {0x1F4FF, 0x1F4FF},
+  {0x1F500, 0x1F53D},
+  {0x1F546, 0x1F54A},
+  {0x1F54B, 0x1F54F},
+  {0x1F550, 0x1F567},
+  {0x1F568, 0x1F579},
+  {0x1F57A, 0x1F57A},
+  {0x1F57B, 0x1F5A3},
+  {0x1F5A4, 0x1F5A4},
+  {0x1F5A5, 0x1F5FA},
+  {0x1F5FB, 0x1F5FF},
+  {0x1F600, 0x1F600},
+  {0x1F601, 0x1F610},
+  {0x1F611, 0x1F611},
+  {0x1F612, 0x1F614},
+  {0x1F615, 0x1F615},
+  {0x1F616, 0x1F616},
+  {0x1F617, 0x1F617},
+  {0x1F618, 0x1F618},
+  {0x1F619, 0x1F619},
+  {0x1F61A, 0x1F61A},
+  {0x1F61B, 0x1F61B},
+  {0x1F61C, 0x1F61E},
+  {0x1F61F, 0x1F61F},
+  {0x1F620, 0x1F625},
+  {0x1F626, 0x1F627},
+  {0x1F628, 0x1F62B},
+  {0x1F62C, 0x1F62C},
+  {0x1F62D, 0x1F62D},
+  {0x1F62E, 0x1F62F},
+  {0x1F630, 0x1F633},
+  {0x1F634, 0x1F634},
+  {0x1F635, 0x1F640},
+  {0x1F641, 0x1F642},
+  {0x1F643, 0x1F644},
+  {0x1F645, 0x1F64F},
+  {0x1F680, 0x1F6C5},
+  {0x1F6C6, 0x1F6CF},
+  {0x1F6D0, 0x1F6D0},
+  {0x1F6D1, 0x1F6D2},
+  {0x1F6D3, 0x1F6D4},
+  {0x1F6D5, 0x1F6DF},
+  {0x1F6E0, 0x1F6EC},
+  {0x1F6ED, 0x1F6EF},
+  {0x1F6F0, 0x1F6F3},
+  {0x1F6F4, 0x1F6F6},
+  {0x1F6F7, 0x1F6F8},
+  {0x1F6F9, 0x1F6F9},
+  {0x1F6FA, 0x1F6FF},
+  {0x1F774, 0x1F77F},
+  {0x1F7D5, 0x1F7D8},
+  {0x1F7D9, 0x1F7FF},
+  {0x1F80C, 0x1F80F},
+  {0x1F848, 0x1F84F},
+  {0x1F85A, 0x1F85F},
+  {0x1F888, 0x1F88F},
+  {0x1F8AE, 0x1F8FF},
+  {0x1F90C, 0x1F90F},
+  {0x1F910, 0x1F918},
+  {0x1F919, 0x1F91E},
+  {0x1F91F, 0x1F91F},
+  {0x1F920, 0x1F927},
+  {0x1F928, 0x1F92F},
+  {0x1F930, 0x1F930},
+  {0x1F931, 0x1F932},
+  {0x1F933, 0x1F93A},
+  {0x1F93C, 0x1F93E},
+  {0x1F93F, 0x1F93F},
+  {0x1F940, 0x1F945},
+  {0x1F947, 0x1F94B},
+  {0x1F94C, 0x1F94C},
+  {0x1F94D, 0x1F94F},
+  {0x1F950, 0x1F95E},
+  {0x1F95F, 0x1F96B},
+  {0x1F96C, 0x1F970},
+  {0x1F971, 0x1F972},
+  {0x1F973, 0x1F976},
+  {0x1F977, 0x1F979},
+  {0x1F97A, 0x1F97A},
+  {0x1F97B, 0x1F97B},
+  {0x1F97C, 0x1F97F},
+  {0x1F980, 0x1F984},
+  {0x1F985, 0x1F991},
+  {0x1F992, 0x1F997},
+  {0x1F998, 0x1F9A2},
+  {0x1F9A3, 0x1F9AF},
+  {0x1F9B0, 0x1F9B9},
+  {0x1F9BA, 0x1F9BF},
+  {0x1F9C0, 0x1F9C0},
+  {0x1F9C1, 0x1F9C2},
+  {0x1F9C3, 0x1F9CF},
+  {0x1F9D0, 0x1F9E6},
+  {0x1F9E7, 0x1F9FF},
+  {0x1FA00, 0x1FA5F},
+  {0x1FA60, 0x1FA6D},
+  {0x1FA6E, 0x1FFFD},
+};
+
+#endif /* HB_UNICODE_EMOJI_TABLE_HH */
+
+/* == End of generated table == */
--- a/src/hb-unicode.cc
+++ b/src/hb-unicode.cc
@ -564,3 +564,19 @@ _hb_modified_combining_class[256] =
  241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
  255, /* HB_UNICODE_COMBINING_CLASS_INVALID */
 };
+
+
+/*
+ * Emoji
+ */
+
+#include "hb-unicode-emoji-table.hh"
+
+bool
+_hb_unicode_is_emoji_Extended_Pictographic (hb_codepoint_t cp)
+{
+  return hb_bsearch_r (&cp, _hb_unicode_emoji_Extended_Pictographic_table,
+		       ARRAY_LENGTH (_hb_unicode_emoji_Extended_Pictographic_table),
+		       sizeof (hb_unicode_range_t),
+		       hb_unicode_range_t::cmp, nullptr);
+}
--- a/src/hb-unicode.hh
+++ b/src/hb-unicode.hh
@ -101,26 +101,6 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
    return ret;
  }

-
-  inline hb_unicode_general_category_t
-  modified_general_category (hb_codepoint_t u)
-  {
-    hb_unicode_general_category_t cat = general_category (u);
-
-    if (unlikely (cat == HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL))
-    {
-      /* Recategorize emoji skin-tone modifiers as Unicode mark, so they
-       * behave correctly in non-native directionality.  They originally
-       * are MODIFIER_SYMBOL.  Fixes:
-       * https://github.com/harfbuzz/harfbuzz/issues/169
-       */
-      if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1F3FBu, 0x1F3FFu)))
-	cat = HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK;
-    }
-
-    return cat;
-  }
-
  inline unsigned int
  modified_combining_class (hb_codepoint_t u)
  {
@ -286,7 +266,9 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
 DECLARE_NULL_INSTANCE (hb_unicode_funcs_t);


-/* Modified combining marks */
+/*
+ * Modified combining marks
+ */

 /* Hebrew
 *
@ -379,9 +361,37 @@ DECLARE_NULL_INSTANCE (hb_unicode_funcs_t);
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | \
 	  FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))

-#define HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK(gen_cat) \
-	(FLAG_UNSAFE (gen_cat) & \
-	 (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \
-	  FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))
+
+/*
+ * Ranges, used for bsearch tables.
+ */
+
+struct hb_unicode_range_t
+{
+  static int
+  cmp (const void *_key, const void *_item, void *_arg)
+  {
+    hb_codepoint_t cp = *((hb_codepoint_t *) _key);
+    const hb_unicode_range_t *range = (hb_unicode_range_t *) _item;
+
+    if (cp < range->start)
+      return -1;
+    else if (cp <= range->end)
+      return 0;
+    else
+      return +1;
+  }
+
+  hb_codepoint_t start;
+  hb_codepoint_t end;
+};
+
+/*
+ * Emoji.
+ */
+
+HB_INTERNAL bool
+_hb_unicode_is_emoji_Extended_Pictographic (hb_codepoint_t cp);
+

 #endif /* HB_UNICODE_HH */
--- a/src/test-unicode-ranges.cc
+++ b/src/test-unicode-ranges.cc
@ -31,10 +31,10 @@
 static void
 test (hb_codepoint_t cp, unsigned int bit)
 {
-  if (OT::hb_get_unicode_range_bit (cp) != bit)
+  if (OT::_hb_ot_os2_get_unicode_range_bit (cp) != bit)
  {
    fprintf (stderr, "got incorrect bit (%d) for cp 0x%X. Should have been %d.",
-             OT::hb_get_unicode_range_bit (cp),
+             OT::_hb_ot_os2_get_unicode_range_bit (cp),
             cp,
             bit);
    abort();
--- a/test/api/hb-subset-test.h
+++ b/test/api/hb-subset-test.h
@ -51,13 +51,18 @@ static inline hb_face_t *
 hb_subset_test_open_font (const char *font_path)
 {
 #if GLIB_CHECK_VERSION(2,37,2)
-  char* path = g_test_build_filename (G_TEST_DIST, font_path, NULL);
+  char *path = g_test_build_filename (G_TEST_DIST, font_path, NULL);
 #else
-  char* path = g_strdup (font_path);
+  char *path = g_strdup (font_path);
 #endif

-  hb_blob_t* blob = hb_blob_create_from_file (path);
-  hb_face_t* face = hb_face_create (blob, 0);
+  hb_blob_t *blob = hb_blob_create_from_file (path);
+  if (hb_blob_get_length (blob) == 0)
+  {
+    printf ("The test font is not found.");
+    exit (1);
+  }
+  hb_face_t *face = hb_face_create (blob, 0);
  hb_blob_destroy (blob);

  g_free (path);
--- a/test/api/test-multithread.c
+++ b/test/api/test-multithread.c
@ -32,16 +32,10 @@
 #include <hb.h>
 #include <hb-ft.h>
 #include <hb-ot.h>
+#include <glib.h>

-static const char *text = "طرح‌نَما";
-static const char *path =
-#if defined(__linux__)
-		"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf";
-#elif defined(_WIN32) || defined(_WIN64)
-		"C:\\Windows\\Fonts\\tahoma.ttf";
-#elif __APPLE__
-		"/Library/Fonts/Tahoma.ttf";
-#endif
+static char *font_path = "fonts/Inconsolata-Regular.abc.ttf";
+static char *text = "abc";

 static int num_threads = 30;
 static int num_iters = 200;
@ -54,7 +48,7 @@ static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 static void
 fill_the_buffer (hb_buffer_t *buffer)
 {
-  hb_buffer_add_utf8 (buffer, text, sizeof (text), 0, sizeof (text));
+  hb_buffer_add_utf8 (buffer, text, -1, 0, -1);
  hb_buffer_guess_segment_properties (buffer);
  hb_shape (font, buffer, NULL, 0);
 }
@ -133,16 +127,33 @@ test_body (void)
 int
 main (int argc, char **argv)
 {
-  if (argc > 1)
-    num_threads = atoi (argv[1]);
+  g_test_init (&argc, &argv, NULL);
+
+#if GLIB_CHECK_VERSION(2,37,2)
+  gchar *default_path = g_test_build_filename (G_TEST_DIST, font_path, NULL);
+#else
+  gchar *default_path = g_strdup (font_path);
+#endif
+
+  char *path = argc > 1 ? argv[1] : (char *) default_path;
  if (argc > 2)
-    num_iters = atoi (argv[2]);
+    num_threads = atoi (argv[2]);
+  if (argc > 3)
+    num_iters = atoi (argv[3]);
+  if (argc > 4)
+    text = argv[4];

  // Dummy call to alleviate _guess_segment_properties thread safety-ness
  // https://github.com/harfbuzz/harfbuzz/issues/1191
  hb_language_get_default ();

  hb_blob_t *blob = hb_blob_create_from_file (path);
+  if (hb_blob_get_length (blob) == 0)
+  {
+    printf ("The test font is not found.");
+    return 1;
+  }
+
  hb_face_t *face = hb_face_create (blob, 0);
  font = hb_font_create (face);

@ -165,5 +176,7 @@ main (int argc, char **argv)
  hb_face_destroy (face);
  hb_blob_destroy (blob);

+  g_free (default_path);
+
  return 0;
 }
--- a/test/fuzzing/main.cc
+++ b/test/fuzzing/main.cc
@ -1,12 +1,18 @@
 #include "hb-fuzzer.hh"

 #include <stdio.h>
+#include <stdlib.h>
 #include <assert.h>

 int main(int argc, char **argv) {
  hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
  unsigned int len;
  const char *font_data = hb_blob_get_data (blob, &len);
+  if (len == 0)
+  {
+    printf ("The test font is not found.");
+    exit (1);
+  }

  for (int i = 1; i < argc; i++) {
    printf ("%s\n", argv[i]);
--- a/test/shaping/data/in-house/Makefile.sources
+++ b/test/shaping/data/in-house/Makefile.sources
@ -12,7 +12,7 @@ TESTS = \
 	tests/context-matching.tests \
 	tests/cursive-positioning.tests \
 	tests/default-ignorables.tests \
-	tests/emoji-flag-tags.tests \
+	tests/emoji.tests \
 	tests/fallback-positioning.tests \
 	tests/fuzzed.tests \
 	tests/hangul-jamo.tests \
@ -27,6 +27,7 @@ TESTS = \
 	tests/indic-script-extensions.tests \
 	tests/indic-special-cases.tests \
 	tests/indic-syllable.tests \
+	tests/indic-vowel-letter-spoofing.tests \
 	tests/khmer-mark-order.tests \
 	tests/khmer-misc.tests \
 	tests/language-tags.tests \
--- a/test/shaping/data/in-house/fonts/03e3f463c3a985bc42096620cc415342818454fb.ttf
+++ b/test/shaping/data/in-house/fonts/03e3f463c3a985bc42096620cc415342818454fb.ttf
--- a/test/shaping/data/in-house/fonts/1a5face3fcbd929d228235c2f72bbd6f8eb37424.ttf
+++ b/test/shaping/data/in-house/fonts/1a5face3fcbd929d228235c2f72bbd6f8eb37424.ttf
--- a/test/shaping/data/in-house/fonts/28f497629c04ceb15546c9a70e0730125ed6698d.ttf
+++ b/test/shaping/data/in-house/fonts/28f497629c04ceb15546c9a70e0730125ed6698d.ttf
--- a/test/shaping/data/in-house/fonts/2c25beb56d9c556622d56b0b5d02b4670c034f89.ttf
+++ b/test/shaping/data/in-house/fonts/2c25beb56d9c556622d56b0b5d02b4670c034f89.ttf
--- a/test/shaping/data/in-house/fonts/3cf6f8ac6d647473a43a3100e7494b202b2cfafe.ttf
+++ b/test/shaping/data/in-house/fonts/3cf6f8ac6d647473a43a3100e7494b202b2cfafe.ttf
--- a/test/shaping/data/in-house/fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf
+++ b/test/shaping/data/in-house/fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf
--- a/test/shaping/data/in-house/fonts/604026ae5aaca83c49cd8416909d71ba3e1c1194.ttf
+++ b/test/shaping/data/in-house/fonts/604026ae5aaca83c49cd8416909d71ba3e1c1194.ttf
--- a/test/shaping/data/in-house/fonts/738d9f3b8c2dfd03875bf35a61d28fd78faf17c8.ttf
+++ b/test/shaping/data/in-house/fonts/738d9f3b8c2dfd03875bf35a61d28fd78faf17c8.ttf
--- a/test/shaping/data/in-house/fonts/7d18685e1529e4ceaad5b6095dfab2f9789e5bce.ttf
+++ b/test/shaping/data/in-house/fonts/7d18685e1529e4ceaad5b6095dfab2f9789e5bce.ttf
--- a/test/shaping/data/in-house/fonts/881642af1667ae30a54e58de8be904566d00508f.ttf
+++ b/test/shaping/data/in-house/fonts/881642af1667ae30a54e58de8be904566d00508f.ttf
--- a/test/shaping/data/in-house/fonts/af85624080af5627fb050f570d148a62f04fda74.ttf
+++ b/test/shaping/data/in-house/fonts/af85624080af5627fb050f570d148a62f04fda74.ttf
--- a/test/shaping/data/in-house/fonts/bb29ce50df2bdba2d10726427c6b7609bf460e04.ttf
+++ b/test/shaping/data/in-house/fonts/bb29ce50df2bdba2d10726427c6b7609bf460e04.ttf
--- a/test/shaping/data/in-house/tests/emoji-flag-tags.tests
+++ b/test/shaping/data/in-house/tests/emoji-flag-tags.tests
@ -1,2 +0,0 @@
-../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0055,U+E0053,U+E0064,U+E0065,U+E007F:[u1F3F4=0+2126|space=1+0|space=2+0|space=3+0|space=4+0|space=5+0]
-../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0064,U+E0065,U+E007F:[de=0+3200]
--- a/test/shaping/data/in-house/tests/emoji.tests
+++ b/test/shaping/data/in-house/tests/emoji.tests
@ -0,0 +1,4 @@
+../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0055,U+E0053,U+E0064,U+E0065,U+E007F:[u1F3F4=0+2126|space=1+0|space=2+0|space=3+0|space=4+0|space=5+0]
+../fonts/53374c7ca3657be37efde7ed02ae34229a56ae1f.ttf::U+1F3F4,U+E0064,U+E0065,U+E007F:[de=0+3200]
+../fonts/3cf6f8ac6d647473a43a3100e7494b202b2cfafe.ttf:--font-funcs=ot --direction=l:U+1F481,U+1F3FB,U+200D,U+2642,U+FE0F:[gid7=0+2550]
+../fonts/3cf6f8ac6d647473a43a3100e7494b202b2cfafe.ttf:--font-funcs=ot --direction=r:U+1F481,U+1F3FB,U+200D,U+2642,U+FE0F:[gid7=0+2550]
--- a/test/shaping/data/in-house/tests/indic-joiner-candrabindu.tests
+++ b/test/shaping/data/in-house/tests/indic-joiner-candrabindu.tests
@ -1,2 +1,2 @@
 ../fonts/5028afb650b1bb718ed2131e872fbcce57828fff.ttf::U+0B13,U+200D,U+0B01:[omorya=0+1450]
-../fonts/5028afb650b1bb718ed2131e872fbcce57828fff.ttf::U+0B13,U+200C,U+0B01:[oorya=0+1309|space=0+0|candrabinduorya=0+0]
+../fonts/5028afb650b1bb718ed2131e872fbcce57828fff.ttf::U+0B13,U+200C,U+0B01:[oorya=0+1309|space=1+0|candrabinduorya=1+0]
--- a/test/shaping/data/in-house/tests/indic-joiners.tests
+++ b/test/shaping/data/in-house/tests/indic-joiners.tests
@ -1,6 +1,6 @@
-../fonts/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf::U+179A,U+1784,U+17D2,U+179F,U+200C,U+17CA,U+17B8,U+0020:[uni179a=0+775|uni1784=1+1550|uni179f.sub=1+775|space=1+0|uni17ca=1+0|uni17b8=1@0,300+0|space=7+600]
+../fonts/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf::U+179A,U+1784,U+17D2,U+179F,U+200C,U+17CA,U+17B8,U+0020:[uni179a=0+775|uni1784=1+1550|uni179f.sub=1+775|space=4+0|uni17ca=4+0|uni17b8=4@0,300+0|space=7+600]
 ../fonts/f443753e8ffe8e8aae606cfba158e00334b6efb1.ttf::U+179A,U+1784,U+17D2,U+179F,U+17CA,U+17B8:[uni179a=0+775|uni1784=1+1550|uni179f.sub=1+775|uni17bb=1@-75,-700+0|uni17b8=1+0]
-../fonts/8116e5d8fedfbec74e45dc350d2416d810bed8c4.ttf:--font-funcs=ft:U+091F,U+094D,U+200C,U+092F,U+093F:[uni091F=0+876|uni094D=0@4,0+0|space=0+0|uni093F.750=3+397|uni092F=3+924]
+../fonts/8116e5d8fedfbec74e45dc350d2416d810bed8c4.ttf:--font-funcs=ft:U+091F,U+094D,U+200C,U+092F,U+093F:[uni091F=0+876|uni094D=0@4,0+0|space=2+0|uni093F.750=3+397|uni092F=3+924]
 ../fonts/8116e5d8fedfbec74e45dc350d2416d810bed8c4.ttf:--font-funcs=ft:U+091F,U+094D,U+200D,U+092F,U+093F:[uni093F=0+398|uni091F=0+876|uni094D=0@4,0+0|space=0+0|uni092F=0+924]
-../fonts/8116e5d8fedfbec74e45dc350d2416d810bed8c4.ttf:--font-funcs=ft:U+091F,U+094D,U+200D,U+091F,U+094D,U+200C,U+091F,U+094D,U+200D,U+092F,U+093F:[uni091F=0+876|uni094D=0@4,0+0|space=0+0|uni091F=3+876|uni094D=3@4,0+0|space=3+0|uni093F=6+398|uni091F=6+876|uni094D=6@4,0+0|space=6+0|uni092F=6+924]
+../fonts/8116e5d8fedfbec74e45dc350d2416d810bed8c4.ttf:--font-funcs=ft:U+091F,U+094D,U+200D,U+091F,U+094D,U+200C,U+091F,U+094D,U+200D,U+092F,U+093F:[uni091F=0+876|uni094D=0@4,0+0|space=0+0|uni091F=3+876|uni094D=3@4,0+0|space=5+0|uni093F=6+398|uni091F=6+876|uni094D=6@4,0+0|space=6+0|uni092F=6+924]
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--- a/test/shaping/data/in-house/tests/indic-vowel-letter-spoofing.tests
+++ b/test/shaping/data/in-house/tests/indic-vowel-letter-spoofing.tests
@ -0,0 +1,53 @@
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--- a/test/shaping/data/in-house/tests/mongolian-variation-selector.tests
+++ b/test/shaping/data/in-house/tests/mongolian-variation-selector.tests
@ -1,4 +1,19 @@
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 ../fonts/ef86fe710cfea877bbe0dbb6946a1f88d0661031.ttf::U+1820,U+180B:[uni1820.E821_a.isol1=0+1199]
-../fonts/bb29ce50df2bdba2d10726427c6b7609bf460e04.ttf::U+183A,U+1823,U+182E,U+182B,U+1822,U+1826,U+180B,U+1832,U+180B,U+1827,U+1837,U+0020,U+182D,U+182D,U+180B,U+0020,U+182D,U+180C,U+0020,U+182D,U+180D,U+200D,U+0020,U+182D,U+200D,U+182D,U+180B,U+200D,U+0020,U+182D,U+180C,U+200D,U+0020,U+182D,U+180D,U+200D,U+0020,U+200D,U+182D,U+200D,U+200D,U+182D,U+180B,U+200D,U+0020,U+200D,U+182D,U+180C,U+200D,U+0020,U+200D,U+182D,U+180D,U+200D,U+0020,U+200D,U+182D,U+200D,U+182D,U+180B,U+0020,U+200D,U+182D,U+180C,U+0020,U+1820,U+200C,U+182D,U+1820,U+1837,U+0020,U+1830,U+1824,U+1837,U+200D,U+200D,U+182D,U+1820,U+200D,U+0020,U+200D,U+182D,U+1824,U+182F,U+1822,U+0020,U+182A,U+1820,U+1822,U+182D,U+180E,U+1820,U+202F,U+1836,U+1822,U+1828:[uni183A1823.E971_ko.init=0+950|uni182E.E904_m.medi=2+400|uni182B1822.E8A6_pi.medi=3+1150|uni1826.E854_ue.medi1=5+1100|uni1832.E916_t.medi1=7+1000|uni1827.E85C_ee.medi=9+750|uni1837.E931_r.fina=10+750|space=11+500|uni182D.E8E2_g.init=12+1000|uni182D.E8E8_g.fina1=13+1250|space=15+500|uni182D.EA1B_g.isol2=16+1000|space=18+500|uni182D.EA1E_g.init3=19+650|space=19+0|space=22+500|uni182D.E8E2_g.init=23+1000|space=23+0|uni182D.E8E5_g.medi1=25+800|space=25+0|space=28+500|uni182D.EA1D_g.init2=29+950|space=29+0|space=32+500|uni182D.EA1E_g.init3=33+650|space=33+0|space=36+500|space=36+0|uni182D.E8E4_g.medi=38+800|space=38+0|space=38+0|uni182D.E8E5_g.medi1=41+800|space=41+0|space=44+500|space=44+0|uni182D.E8E6_g.medi2=46+650|space=46+0|space=49+500|space=49+0|uni182D.E8E6_g.medi2=51+650|space=51+0|space=54+500|space=54+0|uni182D.E8E4_g.medi=56+800|space=56+0|uni182D.E8E8_g.fina1=58+1250|space=60+500|space=60+0|uni182D.E8E9_g.fina2=62+1050|space=64+500|uni1820.E820_a.isol=65+1550|space=65+0|uni182D.E8E2_g.init=67+1000|uni1820.E823_a.medi=68+400|uni1837.E931_r.fina=69+750|space=70+500|uni1830.E90B_s.init=71+850|uni1824.E844_u.medi=72+600|uni1837.E930_r.medi=73+600|space=73+0|space=73+0|uni182D.E8E5_g.medi1=76+800|uni1820.E823_a.medi=77+400|space=77+0|space=79+500|space=79+0|uni182D.E8E5_g.medi1=81+800|uni1824.E844_u.medi=82+600|uni182F.E908_l.medi=83+400|uni1822.E837_i.fina=84+600|space=85+500|uni182A1820.E875_ba.init=86+1000|uni1822.E836_i.medi2=88+1000|uni182D.E8E8_g.fina1=89+1250|space=90+0|uni1820.E827_a.fina2=91+600|uni202F.nobreak=92+500|uni1836.E92B_y.init1=93+500|uni1822.E834_i.medi=94+500|uni1828.E866_n.fina=95+850]
 ../fonts/a34a7b00f22ffb5fd7eef6933b81c7e71bc2cdfb.ttf::U+180A,U+1868,U+180A,U+1868,U+180B,U+180A,U+1868,U+180C,U+180A,U+1868,U+180D,U+180A:[gid1=0+268|gid10=1+778|gid1=2+268|gid9=3+575|gid1=5+268|gid10=6+778|gid1=8+268|gid8=9+575|gid1=11+268]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+183A,U+1823,U+182E,U+182B,U+1822,U+1826,U+180B,U+1832,U+180B,U+1827,U+1837:[uni183A1823.E971_ko.init=0+950|uni182E.E904_m.medi=2+400|uni182B1822.E8A6_pi.medi=3+1150|uni1826.E854_ue.medi1=5+1100|uni1832.E916_t.medi1=7+1000|uni1827.E85C_ee.medi=9+750|uni1837.E931_r.fina=10+750]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+182D,U+180B:[uni182D.E8E2_g.init=0+1000|uni182D.E8E8_g.fina1=1+1250]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+180C:[uni182D.EA1B_g.isol2=0+1000]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+180D,U+200D:[uni182D.EA1E_g.init3=0+650|space=0+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+200D,U+182D,U+180B,U+200D:[uni182D.E8E2_g.init=0+1000|space=0+0|uni182D.E8E5_g.medi1=2+800|space=2+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+180C,U+200D:[uni182D.EA1D_g.init2=0+950|space=0+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182D,U+180D,U+200D:[uni182D.EA1E_g.init3=0+650|space=0+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+200D,U+200D,U+182D,U+180B,U+200D:[space=0+0|uni182D.E8E4_g.medi=1+800|space=1+0|space=1+0|uni182D.E8E5_g.medi1=4+800|space=4+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+180C,U+200D:[space=0+0|uni182D.E8E6_g.medi2=1+650|space=1+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+180D,U+200D:[space=0+0|uni182D.E8E6_g.medi2=1+650|space=1+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+200D,U+182D,U+180B:[space=0+0|uni182D.E8E4_g.medi=1+800|space=1+0|uni182D.E8E8_g.fina1=3+1250]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+180C:[space=0+0|uni182D.E8E9_g.fina2=1+1050]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+1820,U+200C,U+182D,U+1820,U+1837:[uni1820.E820_a.isol=0+1550|space=1+0|uni182D.E8E2_g.init=2+1000|uni1820.E823_a.medi=3+400|uni1837.E931_r.fina=4+750]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+1830,U+1824,U+1837,U+200D,U+200D,U+182D,U+1820,U+200D:[uni1830.E90B_s.init=0+850|uni1824.E844_u.medi=1+600|uni1837.E930_r.medi=2+600|space=2+0|space=2+0|uni182D.E8E5_g.medi1=5+800|uni1820.E823_a.medi=6+400|space=6+0]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+200D,U+182D,U+1824,U+182F,U+1822:[space=0+0|uni182D.E8E5_g.medi1=1+800|uni1824.E844_u.medi=2+600|uni182F.E908_l.medi=3+400|uni1822.E837_i.fina=4+600]
+../fonts/4d4206e30b2dbf1c1ef492a8eae1c9e7829ebad8.ttf::U+182A,U+1820,U+1822,U+182D,U+180E,U+1820,U+202F,U+1836,U+1822,U+1828:[uni182A1820.E875_ba.init=0+1000|uni1822.E836_i.medi2=2+1000|uni182D.E8E8_g.fina1=3+1250|space=4+0|uni1820.E827_a.fina2=5+600|uni202F.nobreak=6+500|uni1836.E92B_y.init1=7+500|uni1822.E834_i.medi=8+500|uni1828.E866_n.fina=9+850]
--- a/test/shaping/data/in-house/tests/use-syllable.tests
+++ b/test/shaping/data/in-house/tests/use-syllable.tests
@ -6,3 +6,6 @@
 ../fonts/373e67bf41ca264e260a9716162b71a23549e885.ttf:--no-glyph-names:U+A8AC,U+A8B4,U+A8B5:[2=0+377|3=0+242|4=0+210]
 ../fonts/59a585a63b3df608fbeef00956c8c108deec7de6.ttf:--no-glyph-names:U+1BC7,U+1BEA,U+1BF3:[1=0+749|2=0+402|4=0+535|3=0+401]
 ../fonts/1ed7e9064f008f62de6ff0207bb4dd29409597a5.ttf::U+11064,U+1107F,U+11052,U+11065,U+1107F,U+11053:[brm_num100.1=0+2224|brm_num1000.2=3+1834]
+../fonts/28f497629c04ceb15546c9a70e0730125ed6698d.ttf::U+11013,U+11042,U+11046:[brm_KA=0+754|brm_vowelEE=0@-383,0+0|brm_virama=0@-524,0+0]
+../fonts/28f497629c04ceb15546c9a70e0730125ed6698d.ttf::U+11013,U+11044,U+11046:[brm_KA=0+754|brm_vowelOO=0@-647,0+0|brm_virama=0@-524,0+0]
+../fonts/28f497629c04ceb15546c9a70e0730125ed6698d.ttf::U+11013,U+1103C:[brm_KA=0+754|brm_vowelU=0@-403,0+0]
--- a/test/shaping/texts/in-house/shaper-indic/script-bengali/bengali-vowel-letters.txt
+++ b/test/shaping/texts/in-house/shaper-indic/script-bengali/bengali-vowel-letters.txt
--- a/test/shaping/texts/in-house/shaper-indic/script-gujarati/gujarati-vowel-letters.txt
+++ b/test/shaping/texts/in-house/shaper-indic/script-gujarati/gujarati-vowel-letters.txt