[PATCH 1/4] usp10: Fix Contextual Shaping for Languages with RTL write order

[Aric Stewart]

Including Arabic, Syriac, Phags pa, and Mongolian.

Do contextual shaping in the writing direction, handle cases where the glyph index
changes differently from the character index. (Multiple glyph substitutions)

Fix for bug 40629

Signed-off-by: Aric Stewart <aric at codeweavers.com>
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 dlls/usp10/shape.c | 124 ++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 94 insertions(+), 30 deletions(-)


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