![]() ![]() ![]() In Arabic it might be preferred to combine the shadda with fatha (0x0651, 0x064E) into a ligature before processing shapes. These two glyphs can then be correctly placed using GPOS. To avoid multiple glyph variants to fit all base glyphs, the character is decomposed into two glyphs.a dot above and a dot below. In Syriac, the character 0x0732 is a combining mark that has a dot above AND a dot below the base character. The feature should be processed as the first feature processed, and should be processed only when it is called. This feature permits such composition/decompostion. Additionally, it may be preferable to compose two characters into a single glyph for better glyph processing. Function: To minimize the number of glyph alternates, it is sometimes desired to decompose a character into two glyphs. ![]()
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