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clusters
The sequence of characters or glyphs between points at which the Unicode representation of a string aligns with the glyph representation. For simple text, where each code point is represented by a single glyph, the cluster is the character and its glyph. For simple ligatures, where two or more code points are represented by a single glyph, the cluster is the sequence of code points and the single glyph. The most complex case is when a sequence of code points is represented by a sequence of glyphs with no internal alignment between characters and glyphs. This can occur, for example, in the case of reordering within Indic syllables.
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- Tadashi
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