Fabrice Di Meglio 3632b7f3ef Improve char mirroring in TextLayoutCache
- now use ICU u_isMirrored() instead of a small hardcoded list of unicode points

see bug #5961254 Harfbuzz should be able to support Bidi_mirrored unicode attribute

Change-Id: I3243a58558a97930f0e7fdf5e9c1d5695d9393de
2012-04-24 19:57:23 -07:00
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