Remove 'mym3'

src/hb-ot-tag.cc

@@ -145,7 +145,9 @@ hb_ot_all_tags_from_script (hb_script_t   script,
   hb_tag_t new_tag = hb_ot_new_tag_from_script (script);
   if (unlikely (new_tag != HB_OT_TAG_DEFAULT_SCRIPT))
   {
-    tags[i++] = new_tag | '3';
+    /* HB_SCRIPT_MYANMAR maps to 'mym2', but there is no 'mym3'. */
+    if (new_tag != HB_TAG('m','y','m','2'))
+      tags[i++] = new_tag | '3';
     if (*count > i)
       tags[i++] = new_tag;
   }

test/api/test-ot-tag.c

@@ -190,7 +190,6 @@ test_ot_tag_script_indic (void)
   test_indic_tags ("ory3", "ory2", "orya", HB_SCRIPT_ORIYA);
   test_indic_tags ("tml3", "tml2", "taml", HB_SCRIPT_TAMIL);
   test_indic_tags ("tel3", "tel2", "telu", HB_SCRIPT_TELUGU);
-  test_indic_tags ("mym3", "mym2", "mymr", HB_SCRIPT_MYANMAR);
 }
 
 
@@ -506,6 +505,7 @@ test_ot_tag_full (void)
   test_tags (HB_SCRIPT_INVALID, "x-hbsc5678-hbot1234", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 1, 1, "5678", "1234");
   test_tags (HB_SCRIPT_MALAYALAM, "ml", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 3, 2, "mlm3", "mlm2", "mlym", "MAL", "MLR");
   test_tags (HB_SCRIPT_MALAYALAM, "ml", 1, 1, 1, 1, "mlm3", "MAL");
+  test_tags (HB_SCRIPT_MYANMAR, "und", HB_OT_MAX_TAGS_PER_SCRIPT, 0, 2, 0, "mym2", "mymr");
   test_tags (HB_SCRIPT_INVALID, "xyz", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 1, "XYZ");
   test_tags (HB_SCRIPT_INVALID, "xy", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 0);
 }