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Re: [ft-devel] ttfautohint & x-heights

From: Werner LEMBERG
Subject: Re: [ft-devel] ttfautohint & x-heights
Date: Tue, 07 Aug 2012 08:12:03 +0200 (CEST)

> Brad has shown me a font where ttfautohint's code causes vertical
> clipping of glyph `g' on some (older) Windows IE versions since its
> depth at same ppem sizes exceeds the usWinDescent value.

Uh, oh.  This was caused by a very embarassing bug: one of the central
bytecode routines to round to integers was buggy.

Since the fix (already in the git repository) considerably improves
the appearance of a lot of fonts, I'll soon do a new release of

Anyway, the central question remains: What to do if hinting might
exceed the usWin values (e.g. by using ttfautohint's -x option).


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