Re: Windows Glyph Handling

From: Adam Twardoch (list.adam@twardoch.com)
Date: Tue Aug 23 2005 - 18:32:24 CDT

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    John Hudson wrote:
    > Actually, Adobe is the company that currently fails to fully implement
    > GSUB capabilities, because none of their apps support one-to-many
    > substitutions (GSUB lookup type 2).
    ...except in the Middle East editions of Adobe Creative Suite
    applications, prepared by Winsoft.
    > Microsoft supports all lookup types.
    ...except with some hard-wired limitations that lead to strange effects
    if you apply 7 or 8 GSUB LookupType 2 substitutions one after another ;)
    > If you are talking about support for GSUB related OTL features, then
    > no one supports all the registered features.
    Ironically, Apple seems to be the one with the largest nominal number of
    registered OpenType Layout features supported in the Mac OS X 10.4 (in
    applications that use ATSUI one way or the other). However, since Mac OS
    X only supports a small subset of lookup types, the actual number of
    effectively supported features is smaller, but still impressive. Mac OS
    X 10.4 is the first operating system to support your favorite
    typographic feature, John: "petite caps" :)

    A.



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