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[unsafe-to-concat] Further adjust Arabic joining logic at boundary

This commit is contained in:
Behdad Esfahbod 2022-01-21 18:26:54 -07:00
parent 235c3a1295
commit 4f04baef17
1 changed files with 7 additions and 0 deletions
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7
src/hb-ot-shape-complex-arabic.cc
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@ -341,7 +341,14 @@ arabic_joining (hb_buffer_t *buffer)
const arabic_state_table_entry *entry = &arabic_state_table[state][this_type];
if (entry->prev_action != NONE && prev != UINT_MAX)
{
info[prev].arabic_shaping_action() = entry->prev_action;
buffer->unsafe_to_break (prev, buffer->len);
}
else if (2 <= state && state <= 5) /* States that have a possible prev_action. */
{
buffer->unsafe_to_concat (prev, buffer->len);
}
break;
}
}