Commit c8c7ad7910aa68b4026fec23d725da5102114dc0

Werner Lemberg 2016-04-09T08:24:00

[autofit] Add support for Georgian scripts. Georgian is problematic, since `uppercase' forms of Mkhedruli (called Mtavruli) are not yet defined in Unicode, which means that proper blue zones can't be defined. However, there is already a proposal submitted to Unicode; see http://www.unicode.org/L2/L2016/16034-n4707-georgian.pdf Additionally, due to historical reasons, Unicode treats Khutsuri as the same script as Mkhedruli, and so does OpenType. However, since the two scripts have completely different shapes it can happen that blue zones differ considerably. The tag `geok' used here (derived from ISO 15924) to differentiate the two scripts is not an OpenType tag in use. If we now have a font that contains both glyphs for Mkhedruli and Khutsuri, and it uses OpenType features for both also, HarfBuzz unavoidably treats all glyphs as `geor'. As a consequence, blue zones for `geok' are not used for glyphs involved in the OpenType features. An issue not yet resolved is which OpenType feature should be used to access Mtavruli glyph shapes; right now, FreeType doesn't set up support for them, but it is easy to add them later on as soon as more information is available. * src/autofit/afblue.dat: Add blue zone data for Georgian. * src/autofit/afblue.c, src/autofit/afblue.h: Regenerated. * src/autofit/afscript.h: Add Georgian standard characters. * src/autofit/afranges.c: Add Georgian data. * src/autofit/afstyles.h: Add Georgian data.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
diff --git a/ChangeLog b/ChangeLog
index 53c75b0..44de09d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,40 @@
+2016-04-09  Werner Lemberg  <wl@gnu.org>
+
+	[autofit] Add support for Georgian scripts.
+
+	Georgian is problematic, since `uppercase' forms of Mkhedruli
+	(called Mtavruli) are not yet defined in Unicode, which means that
+	proper blue zones can't be defined.  However, there is already a
+	proposal submitted to Unicode; see
+
+	  http://www.unicode.org/L2/L2016/16034-n4707-georgian.pdf
+
+	Additionally, due to historical reasons, Unicode treats Khutsuri as
+	the same script as Mkhedruli, and so does OpenType.  However, since
+	the two scripts have completely different shapes it can happen that
+	blue zones differ considerably.  The tag `geok' used here (derived
+	from ISO 15924) to differentiate the two scripts is not an OpenType
+	tag in use.  If we now have a font that contains both glyphs for
+	Mkhedruli and Khutsuri, and it uses OpenType features for both also,
+	HarfBuzz unavoidably treats all glyphs as `geor'.  As a consequence,
+	blue zones for `geok' are not used for glyphs involved in the
+	OpenType features.
+
+	An issue not yet resolved is which OpenType feature should be used
+	to access Mtavruli glyph shapes; right now, FreeType doesn't set up
+	support for them, but it is easy to add them later on as soon as
+	more information is available.
+
+	* src/autofit/afblue.dat: Add blue zone data for Georgian.
+
+	* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
+
+	* src/autofit/afscript.h: Add Georgian standard characters.
+
+	* src/autofit/afranges.c: Add Georgian data.
+
+	* src/autofit/afstyles.h: Add Georgian data.
+
 2016-04-05  Werner Lemberg  <wl@gnu.org>
 
 	[autofit] Provide dummy blue zone for pseudo script `none'.
diff --git a/src/autofit/afblue.c b/src/autofit/afblue.c
index 13677cc..f1699a8 100644
--- a/src/autofit/afblue.c
+++ b/src/autofit/afblue.c
@@ -54,6 +54,26 @@
     '\0',
     '\xE0', '\xA5', '\x81', ' ', '\xE0', '\xA5', '\x83',  /* ु ृ */
     '\0',
+    '\xE1', '\x83', '\x92', ' ', '\xE1', '\x83', '\x93', ' ', '\xE1', '\x83', '\x94', ' ', '\xE1', '\x83', '\x95', ' ', '\xE1', '\x83', '\x97', ' ', '\xE1', '\x83', '\x98', ' ', '\xE1', '\x83', '\x9D', ' ', '\xE1', '\x83', '\xA6',  /* გ დ ე ვ თ ი ო ღ */
+    '\0',
+    '\xE1', '\x83', '\x90', ' ', '\xE1', '\x83', '\x96', ' ', '\xE1', '\x83', '\x9B', ' ', '\xE1', '\x83', '\xA1', ' ', '\xE1', '\x83', '\xA8', ' ', '\xE1', '\x83', '\xAB', ' ', '\xE1', '\x83', '\xAE', ' ', '\xE1', '\x83', '\xB0',  /* ა ზ მ ს შ ძ ხ ჰ */
+    '\0',
+    '\xE1', '\x83', '\xA1', ' ', '\xE1', '\x83', '\xAE', ' ', '\xE1', '\x83', '\xA5', ' ', '\xE1', '\x83', '\x96', ' ', '\xE1', '\x83', '\x9B', ' ', '\xE1', '\x83', '\xA8', ' ', '\xE1', '\x83', '\xA9', ' ', '\xE1', '\x83', '\xAC',  /* ს ხ ქ ზ მ შ ჩ წ */
+    '\0',
+    '\xE1', '\x83', '\x94', ' ', '\xE1', '\x83', '\x95', ' ', '\xE1', '\x83', '\x9F', ' ', '\xE1', '\x83', '\xA2', ' ', '\xE1', '\x83', '\xA3', ' ', '\xE1', '\x83', '\xA4', ' ', '\xE1', '\x83', '\xA5', ' ', '\xE1', '\x83', '\xA7',  /* ე ვ ჟ ტ უ ფ ქ ყ */
+    '\0',
+    '\xE1', '\x82', '\xB1', ' ', '\xE1', '\x82', '\xA7', ' ', '\xE1', '\x82', '\xB9', ' ', '\xE1', '\x82', '\xBC', ' ', '\xE1', '\x82', '\xA4', ' ', '\xE1', '\x82', '\xA5', ' ', '\xE1', '\x82', '\xB3', ' ', '\xE1', '\x82', '\xBA',  /* Ⴑ Ⴇ Ⴙ Ⴜ Ⴄ Ⴅ Ⴓ Ⴚ */
+    '\0',
+    '\xE1', '\x82', '\xA4', ' ', '\xE1', '\x82', '\xA5', ' ', '\xE1', '\x82', '\xA7', ' ', '\xE1', '\x82', '\xA8', ' ', '\xE1', '\x82', '\xA6', ' ', '\xE1', '\x82', '\xB1', ' ', '\xE1', '\x82', '\xAA', ' ', '\xE1', '\x82', '\xAB',  /* Ⴄ Ⴅ Ⴇ Ⴈ Ⴆ Ⴑ Ⴊ Ⴋ */
+    '\0',
+    '\xE2', '\xB4', '\x81', ' ', '\xE2', '\xB4', '\x97', ' ', '\xE2', '\xB4', '\x82', ' ', '\xE2', '\xB4', '\x84', ' ', '\xE2', '\xB4', '\x85', ' ', '\xE2', '\xB4', '\x87', ' ', '\xE2', '\xB4', '\x94', ' ', '\xE2', '\xB4', '\x96',  /* ⴁ ⴗ ⴂ ⴄ ⴅ ⴇ ⴔ ⴖ */
+    '\0',
+    '\xE2', '\xB4', '\x88', ' ', '\xE2', '\xB4', '\x8C', ' ', '\xE2', '\xB4', '\x96', ' ', '\xE2', '\xB4', '\x8E', ' ', '\xE2', '\xB4', '\x83', ' ', '\xE2', '\xB4', '\x86', ' ', '\xE2', '\xB4', '\x8B', ' ', '\xE2', '\xB4', '\xA2',  /* ⴈ ⴌ ⴖ ⴎ ⴃ ⴆ ⴋ ⴢ */
+    '\0',
+    '\xE2', '\xB4', '\x90', ' ', '\xE2', '\xB4', '\x91', ' ', '\xE2', '\xB4', '\x93', ' ', '\xE2', '\xB4', '\x95', ' ', '\xE2', '\xB4', '\x99', ' ', '\xE2', '\xB4', '\x9B', ' ', '\xE2', '\xB4', '\xA1', ' ', '\xE2', '\xB4', '\xA3',  /* ⴐ ⴑ ⴓ ⴕ ⴙ ⴛ ⴡ ⴣ */
+    '\0',
+    '\xE2', '\xB4', '\x84', ' ', '\xE2', '\xB4', '\x85', ' ', '\xE2', '\xB4', '\x94', ' ', '\xE2', '\xB4', '\x95', ' ', '\xE2', '\xB4', '\x81', ' ', '\xE2', '\xB4', '\x82', ' ', '\xE2', '\xB4', '\x98', ' ', '\xE2', '\xB4', '\x9D',  /* ⴄ ⴅ ⴔ ⴕ ⴁ ⴂ ⴘ ⴝ */
+    '\0',
     '\xCE', '\x93', ' ', '\xCE', '\x92', ' ', '\xCE', '\x95', ' ', '\xCE', '\x96', ' ', '\xCE', '\x98', ' ', '\xCE', '\x9F', ' ', '\xCE', '\xA9',  /* Γ Β Ε Ζ Θ Ο Ω */
     '\0',
     '\xCE', '\x92', ' ', '\xCE', '\x94', ' ', '\xCE', '\x96', ' ', '\xCE', '\x9E', ' ', '\xCE', '\x98', ' ', '\xCE', '\x9F',  /* Β Δ Ζ Ξ Θ Ο */
@@ -243,6 +263,20 @@
     { AF_BLUE_STRING_DEVANAGARI_BASE,   0                                 },
     { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0                                 },
     { AF_BLUE_STRING_MAX,               0                                 },
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP,       AF_BLUE_PROPERTY_LATIN_TOP      |
+                                                   AF_BLUE_PROPERTY_LATIN_X_HEIGHT   },
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM,    0                                 },
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER,  AF_BLUE_PROPERTY_LATIN_TOP        },
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER, 0                                 },
+    { AF_BLUE_STRING_MAX,                          0                                 },
+    { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP,       AF_BLUE_PROPERTY_LATIN_TOP        },
+    { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM,    0                                 },
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP,          AF_BLUE_PROPERTY_LATIN_TOP      |
+                                                     AF_BLUE_PROPERTY_LATIN_X_HEIGHT   },
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM,       0                                 },
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER,     AF_BLUE_PROPERTY_LATIN_TOP        },
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER,    0                                 },
+    { AF_BLUE_STRING_MAX,                            0                                 },
     { AF_BLUE_STRING_GREEK_CAPITAL_TOP,     AF_BLUE_PROPERTY_LATIN_TOP        },
     { AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM,  0                                 },
     { AF_BLUE_STRING_GREEK_SMALL_BETA_TOP,  AF_BLUE_PROPERTY_LATIN_TOP        },
diff --git a/src/autofit/afblue.dat b/src/autofit/afblue.dat
index 39d0598..827daef 100644
--- a/src/autofit/afblue.dat
+++ b/src/autofit/afblue.dat
@@ -114,6 +114,29 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN:
   AF_BLUE_STRING_DEVANAGARI_BOTTOM
     "ु ृ"
 
+  AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP
+    "გ დ ე ვ თ ი ო ღ"
+  AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM
+    "ა ზ მ ს შ ძ ხ ჰ"
+  AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER
+    "ს ხ ქ ზ მ შ ჩ წ"
+  AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER
+    "ე ვ ჟ ტ უ ფ ქ ყ"
+
+  AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP
+    "Ⴑ Ⴇ Ⴙ Ⴜ Ⴄ Ⴅ Ⴓ Ⴚ"
+  AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM
+    "Ⴄ Ⴅ Ⴇ Ⴈ Ⴆ Ⴑ Ⴊ Ⴋ"
+
+  AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP
+    "ⴁ ⴗ ⴂ ⴄ ⴅ ⴇ ⴔ ⴖ"
+  AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM
+    "ⴈ ⴌ ⴖ ⴎ ⴃ ⴆ ⴋ ⴢ"
+  AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER
+    "ⴐ ⴑ ⴓ ⴕ ⴙ ⴛ ⴡ ⴣ"
+  AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER
+    "ⴄ ⴅ ⴔ ⴕ ⴁ ⴂ ⴘ ⴝ"
+
   AF_BLUE_STRING_GREEK_CAPITAL_TOP
     "Γ Β Ε Ζ Θ Ο Ω"
   AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM
@@ -445,6 +468,25 @@ AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN:
     { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0                                 }
     { AF_BLUE_STRING_MAX,               0                                 }
 
+  // blue zones for Mtavruli are missing (not yet defined in Unicode)
+  AF_BLUE_STRINGSET_GEOR
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP,       AF_BLUE_PROPERTY_LATIN_TOP      |
+                                                   AF_BLUE_PROPERTY_LATIN_X_HEIGHT   }
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM,    0                                 }
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER,  AF_BLUE_PROPERTY_LATIN_TOP        }
+    { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER, 0                                 }
+    { AF_BLUE_STRING_MAX,                          0                                 }
+
+  AF_BLUE_STRINGSET_GEOK
+    { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP,       AF_BLUE_PROPERTY_LATIN_TOP        }
+    { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM,    0                                 }
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP,          AF_BLUE_PROPERTY_LATIN_TOP      |
+                                                     AF_BLUE_PROPERTY_LATIN_X_HEIGHT   }
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM,       0                                 }
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER,     AF_BLUE_PROPERTY_LATIN_TOP        }
+    { AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER,    0                                 }
+    { AF_BLUE_STRING_MAX,                            0                                 }
+
   AF_BLUE_STRINGSET_GREK
     { AF_BLUE_STRING_GREEK_CAPITAL_TOP,     AF_BLUE_PROPERTY_LATIN_TOP        }
     { AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM,  0                                 }
diff --git a/src/autofit/afblue.h b/src/autofit/afblue.h
index 274f8cb..2ec7d82 100644
--- a/src/autofit/afblue.h
+++ b/src/autofit/afblue.h
@@ -91,64 +91,74 @@ FT_BEGIN_HEADER
     AF_BLUE_STRING_DEVANAGARI_TOP = 241,
     AF_BLUE_STRING_DEVANAGARI_HEAD = 273,
     AF_BLUE_STRING_DEVANAGARI_BOTTOM = 305,
-    AF_BLUE_STRING_GREEK_CAPITAL_TOP = 313,
-    AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 334,
-    AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 352,
-    AF_BLUE_STRING_GREEK_SMALL = 370,
-    AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 394,
-    AF_BLUE_STRING_HEBREW_TOP = 418,
-    AF_BLUE_STRING_HEBREW_BOTTOM = 442,
-    AF_BLUE_STRING_HEBREW_DESCENDER = 460,
-    AF_BLUE_STRING_KANNADA_TOP = 475,
-    AF_BLUE_STRING_KANNADA_BOTTOM = 519,
-    AF_BLUE_STRING_KHMER_TOP = 551,
-    AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP = 575,
-    AF_BLUE_STRING_KHMER_BOTTOM = 615,
-    AF_BLUE_STRING_KHMER_DESCENDER = 647,
-    AF_BLUE_STRING_KHMER_LARGE_DESCENDER = 681,
-    AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP = 768,
-    AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM = 776,
-    AF_BLUE_STRING_LAO_TOP = 784,
-    AF_BLUE_STRING_LAO_BOTTOM = 816,
-    AF_BLUE_STRING_LAO_ASCENDER = 848,
-    AF_BLUE_STRING_LAO_LARGE_ASCENDER = 864,
-    AF_BLUE_STRING_LAO_DESCENDER = 876,
-    AF_BLUE_STRING_LATIN_CAPITAL_TOP = 900,
-    AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 916,
-    AF_BLUE_STRING_LATIN_SMALL_F_TOP = 932,
-    AF_BLUE_STRING_LATIN_SMALL = 946,
-    AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 960,
-    AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP = 970,
-    AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM = 990,
-    AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP = 1010,
-    AF_BLUE_STRING_LATIN_SUBS_SMALL = 1030,
-    AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER = 1066,
-    AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP = 1086,
-    AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM = 1117,
-    AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP = 1146,
-    AF_BLUE_STRING_LATIN_SUPS_SMALL = 1172,
-    AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER = 1197,
-    AF_BLUE_STRING_MALAYALAM_TOP = 1208,
-    AF_BLUE_STRING_MALAYALAM_BOTTOM = 1252,
-    AF_BLUE_STRING_MYANMAR_TOP = 1284,
-    AF_BLUE_STRING_MYANMAR_BOTTOM = 1316,
-    AF_BLUE_STRING_MYANMAR_ASCENDER = 1348,
-    AF_BLUE_STRING_MYANMAR_DESCENDER = 1376,
-    AF_BLUE_STRING_SINHALA_TOP = 1408,
-    AF_BLUE_STRING_SINHALA_BOTTOM = 1440,
-    AF_BLUE_STRING_SINHALA_DESCENDER = 1472,
-    AF_BLUE_STRING_TAMIL_TOP = 1516,
-    AF_BLUE_STRING_TAMIL_BOTTOM = 1548,
-    AF_BLUE_STRING_TELUGU_TOP = 1580,
-    AF_BLUE_STRING_TELUGU_BOTTOM = 1608,
-    AF_BLUE_STRING_THAI_TOP = 1636,
-    AF_BLUE_STRING_THAI_BOTTOM = 1660,
-    AF_BLUE_STRING_THAI_ASCENDER = 1688,
-    AF_BLUE_STRING_THAI_LARGE_ASCENDER = 1700,
-    AF_BLUE_STRING_THAI_DESCENDER = 1712,
-    AF_BLUE_STRING_THAI_LARGE_DESCENDER = 1728,
-    AF_BLUE_STRING_THAI_DIGIT_TOP = 1736,
-    af_blue_1_1 = 1747,
+    AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP = 313,
+    AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM = 345,
+    AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER = 377,
+    AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER = 409,
+    AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP = 441,
+    AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM = 473,
+    AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP = 505,
+    AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM = 537,
+    AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER = 569,
+    AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER = 601,
+    AF_BLUE_STRING_GREEK_CAPITAL_TOP = 633,
+    AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 654,
+    AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 672,
+    AF_BLUE_STRING_GREEK_SMALL = 690,
+    AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 714,
+    AF_BLUE_STRING_HEBREW_TOP = 738,
+    AF_BLUE_STRING_HEBREW_BOTTOM = 762,
+    AF_BLUE_STRING_HEBREW_DESCENDER = 780,
+    AF_BLUE_STRING_KANNADA_TOP = 795,
+    AF_BLUE_STRING_KANNADA_BOTTOM = 839,
+    AF_BLUE_STRING_KHMER_TOP = 871,
+    AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP = 895,
+    AF_BLUE_STRING_KHMER_BOTTOM = 935,
+    AF_BLUE_STRING_KHMER_DESCENDER = 967,
+    AF_BLUE_STRING_KHMER_LARGE_DESCENDER = 1001,
+    AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP = 1088,
+    AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM = 1096,
+    AF_BLUE_STRING_LAO_TOP = 1104,
+    AF_BLUE_STRING_LAO_BOTTOM = 1136,
+    AF_BLUE_STRING_LAO_ASCENDER = 1168,
+    AF_BLUE_STRING_LAO_LARGE_ASCENDER = 1184,
+    AF_BLUE_STRING_LAO_DESCENDER = 1196,
+    AF_BLUE_STRING_LATIN_CAPITAL_TOP = 1220,
+    AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 1236,
+    AF_BLUE_STRING_LATIN_SMALL_F_TOP = 1252,
+    AF_BLUE_STRING_LATIN_SMALL = 1266,
+    AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 1280,
+    AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP = 1290,
+    AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM = 1310,
+    AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP = 1330,
+    AF_BLUE_STRING_LATIN_SUBS_SMALL = 1350,
+    AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER = 1386,
+    AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP = 1406,
+    AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM = 1437,
+    AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP = 1466,
+    AF_BLUE_STRING_LATIN_SUPS_SMALL = 1492,
+    AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER = 1517,
+    AF_BLUE_STRING_MALAYALAM_TOP = 1528,
+    AF_BLUE_STRING_MALAYALAM_BOTTOM = 1572,
+    AF_BLUE_STRING_MYANMAR_TOP = 1604,
+    AF_BLUE_STRING_MYANMAR_BOTTOM = 1636,
+    AF_BLUE_STRING_MYANMAR_ASCENDER = 1668,
+    AF_BLUE_STRING_MYANMAR_DESCENDER = 1696,
+    AF_BLUE_STRING_SINHALA_TOP = 1728,
+    AF_BLUE_STRING_SINHALA_BOTTOM = 1760,
+    AF_BLUE_STRING_SINHALA_DESCENDER = 1792,
+    AF_BLUE_STRING_TAMIL_TOP = 1836,
+    AF_BLUE_STRING_TAMIL_BOTTOM = 1868,
+    AF_BLUE_STRING_TELUGU_TOP = 1900,
+    AF_BLUE_STRING_TELUGU_BOTTOM = 1928,
+    AF_BLUE_STRING_THAI_TOP = 1956,
+    AF_BLUE_STRING_THAI_BOTTOM = 1980,
+    AF_BLUE_STRING_THAI_ASCENDER = 2008,
+    AF_BLUE_STRING_THAI_LARGE_ASCENDER = 2020,
+    AF_BLUE_STRING_THAI_DESCENDER = 2032,
+    AF_BLUE_STRING_THAI_LARGE_DESCENDER = 2048,
+    AF_BLUE_STRING_THAI_DIGIT_TOP = 2056,
+    af_blue_1_1 = 2067,
 #ifdef AF_CONFIG_OPTION_CJK
     AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1,
     AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 203,
@@ -211,23 +221,25 @@ FT_BEGIN_HEADER
     AF_BLUE_STRINGSET_BENG = 4,
     AF_BLUE_STRINGSET_CYRL = 9,
     AF_BLUE_STRINGSET_DEVA = 15,
-    AF_BLUE_STRINGSET_GREK = 21,
-    AF_BLUE_STRINGSET_HEBR = 28,
-    AF_BLUE_STRINGSET_KNDA = 32,
-    AF_BLUE_STRINGSET_KHMR = 35,
-    AF_BLUE_STRINGSET_KHMS = 41,
-    AF_BLUE_STRINGSET_LAO = 44,
-    AF_BLUE_STRINGSET_LATN = 50,
-    AF_BLUE_STRINGSET_LATB = 57,
-    AF_BLUE_STRINGSET_LATP = 64,
-    AF_BLUE_STRINGSET_MLYM = 71,
-    AF_BLUE_STRINGSET_MYMR = 74,
-    AF_BLUE_STRINGSET_NONE = 79,
-    AF_BLUE_STRINGSET_SINH = 80,
-    AF_BLUE_STRINGSET_TAML = 84,
-    AF_BLUE_STRINGSET_TELU = 87,
-    AF_BLUE_STRINGSET_THAI = 90,
-    af_blue_2_1 = 98,
+    AF_BLUE_STRINGSET_GEOR = 21,
+    AF_BLUE_STRINGSET_GEOK = 26,
+    AF_BLUE_STRINGSET_GREK = 33,
+    AF_BLUE_STRINGSET_HEBR = 40,
+    AF_BLUE_STRINGSET_KNDA = 44,
+    AF_BLUE_STRINGSET_KHMR = 47,
+    AF_BLUE_STRINGSET_KHMS = 53,
+    AF_BLUE_STRINGSET_LAO = 56,
+    AF_BLUE_STRINGSET_LATN = 62,
+    AF_BLUE_STRINGSET_LATB = 69,
+    AF_BLUE_STRINGSET_LATP = 76,
+    AF_BLUE_STRINGSET_MLYM = 83,
+    AF_BLUE_STRINGSET_MYMR = 86,
+    AF_BLUE_STRINGSET_NONE = 91,
+    AF_BLUE_STRINGSET_SINH = 92,
+    AF_BLUE_STRINGSET_TAML = 96,
+    AF_BLUE_STRINGSET_TELU = 99,
+    AF_BLUE_STRINGSET_THAI = 102,
+    af_blue_2_1 = 110,
 #ifdef AF_CONFIG_OPTION_CJK
     AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0,
     af_blue_2_1_1 = af_blue_2_1 + 2,
diff --git a/src/autofit/afranges.c b/src/autofit/afranges.c
index 8340474..e22cb34 100644
--- a/src/autofit/afranges.c
+++ b/src/autofit/afranges.c
@@ -158,6 +158,36 @@
   };
 
 
+  const AF_Script_UniRangeRec  af_geor_uniranges[] =
+  {
+    AF_UNIRANGE_REC(  0x10D0UL,  0x10FFUL ),  /* Georgian (Mkhedruli) */
+#if 0
+    /* the following range is proposed for inclusion in Unicode */
+    AF_UNIRANGE_REC(  0x1C90UL,  0x1CBFUL ),  /* Georgian (Mtavruli)  */
+#endif
+    AF_UNIRANGE_REC(       0UL,       0UL )
+  };
+
+  const AF_Script_UniRangeRec  af_geor_nonbase_uniranges[] =
+  {
+    AF_UNIRANGE_REC( 0UL, 0UL )
+  };
+
+
+  const AF_Script_UniRangeRec  af_geok_uniranges[] =
+  {
+    /* Khutsuri */
+    AF_UNIRANGE_REC(  0x10A0UL,  0x10CDUL ),  /* Georgian (Asomtavruli) */
+    AF_UNIRANGE_REC(  0x2D00UL,  0x2D2DUL ),  /* Georgian (Nuskhuri)    */
+    AF_UNIRANGE_REC(       0UL,       0UL )
+  };
+
+  const AF_Script_UniRangeRec  af_geok_nonbase_uniranges[] =
+  {
+    AF_UNIRANGE_REC( 0UL, 0UL )
+  };
+
+
   const AF_Script_UniRangeRec  af_grek_uniranges[] =
   {
     AF_UNIRANGE_REC(  0x0370UL,  0x03FFUL ),  /* Greek and Coptic */
diff --git a/src/autofit/afscript.h b/src/autofit/afscript.h
index 84c2a14..e19cfcd 100644
--- a/src/autofit/afscript.h
+++ b/src/autofit/afscript.h
@@ -55,6 +55,18 @@
           HINTING_TOP_TO_BOTTOM,
           "\xE0\xA4\xA0 \xE0\xA4\xB5 \xE0\xA4\x9F" ) /* ठ व ट */
 
+  SCRIPT( geor, GEOR,
+          "Georgian (Mkhedruli)",
+          HB_SCRIPT_GEORGIAN,
+          HINTING_BOTTOM_TO_TOP,
+          "\xE1\x83\x98 \xE1\x83\x94 \xE1\x83\x90" ) /* ი ე ა */
+
+  SCRIPT( geok, GEOK,
+          "Georgian (Khutsuri)",
+          HB_SCRIPT_INVALID,
+          HINTING_BOTTOM_TO_TOP,
+          "\xE1\x82\xB6 \xE1\x82\xB1 \xE2\xB4\x99" ) /* Ⴖ Ⴑ ⴙ */
+
   SCRIPT( grek, GREK,
           "Greek",
           HB_SCRIPT_GREEK,
diff --git a/src/autofit/afstyles.h b/src/autofit/afstyles.h
index 199a2a6..f85fe87 100644
--- a/src/autofit/afstyles.h
+++ b/src/autofit/afstyles.h
@@ -106,6 +106,20 @@
          AF_BLUE_STRINGSET_DEVA,
          AF_COVERAGE_DEFAULT )
 
+  STYLE( geor_dflt, GEOR_DFLT,
+         "Georgian (Mkhedruli) default style",
+         AF_WRITING_SYSTEM_LATIN,
+         AF_SCRIPT_GEOR,
+         AF_BLUE_STRINGSET_GEOR,
+         AF_COVERAGE_DEFAULT )
+
+  STYLE( geok_dflt, GEOK_DFLT,
+         "Georgian (Khutsuri) default style",
+         AF_WRITING_SYSTEM_LATIN,
+         AF_SCRIPT_GEOK,
+         AF_BLUE_STRINGSET_GEOK,
+         AF_COVERAGE_DEFAULT )
+
   META_STYLE_LATIN( grek, GREK, "Greek" )
 
   STYLE( hebr_dflt, HEBR_DFLT,