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Re: [ft-devel] Experimental: v38 interpreter with minimal backwards comp

From: Nikolaus Waxweiler
Subject: Re: [ft-devel] Experimental: v38 interpreter with minimal backwards compatibility mode and linear advance widths
Date: Sun, 29 May 2016 17:46:23 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

Werner sent me a font that broke with my code, but only when SHPIX is blocked. I stumbled over one other font, an older version of Rokkitt, that glitched out the same way after invoking ALIGNRP after a blocked SHPIX. Werner pointed out that my code prevented point creation/modification in the twilight zone which it shouldn't. The attached patch fixes the problem. What remains: Is the patch exhaustive or do I need to do more work to allow twilight modification?

Attachment: 0001-Let-SHPIX-move-points-in-the-twilight-zone.patch
Description: Text Data

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