Fix bidi reordering for indices absorbed into glyph clusters - #3459
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loaialaddien wants to merge 3 commits into
Open
Fix bidi reordering for indices absorbed into glyph clusters#3459loaialaddien wants to merge 3 commits into
loaialaddien wants to merge 3 commits into
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Summary
Prevent bidi reordering from dereferencing a missing glyph mapping when complex-script shaping absorbs a source position into an existing glyph cluster.
Cases covered:
abc र्क ابج def— regression case.abc र्क def— complex-script control.abc ابج def— RTL control.abc किंतु ابج def— additional mixed-script control.Without the fix, the regression case throws at
glyph.id.