Re: Question about the directionality of "Old Hungarian" (document N3531)

From: Christopher Fynn (cfynn@gmx.net)
Date: Tue Nov 04 2008 - 03:38:50 CST

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Kent Karlsson wrote:
...
> But if the bidi algorithm says not to mirror, the font [handling
> system] should not start to mirror. The mirroring is governed by the
> bidi algorithm. If the font mirrors glyphs anyway, it's simply a
> flawed font.

No, its just displaying an alternate (mirrored) glyph. The mirroring
does not change the semantics of the underlying character.

A font which displays an alternate mirrored form of a glyph when an
OpenType mirroring feature is applied is no more flawed than a font
which displays lower case letters as small caps when a small caps
feature is applied.

- C

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