From: Peter_Constable@sil.org
Date: Tue Dec 31 2002 - 14:55:38 EST
On 12/31/2002 04:35:41 AM Kevin Brown wrote:
>The extensive public use of the Private Use area (albeit in the Corporate
>Use Subarea U+F6BD - U+F8FE) by the Adobe Glyph List continues
>undiminished with version 2.0. Some of the recent almost unanimous
>arguments on this list against William Overington's never-ending PUA
>proposals seem pretty lame when you see the AGL's very public (and
>apparently unchallenged) appropriation of a not-insignificant part the
>PUA by Adobe/Apple.
For several years I challenged Adobe on statements in the previous version
of this document to the effect that the Corporate Use Subarea should be
shared by vendors in a cooperative fashion. I'm glad to see that they have
removed those statements and replaced it with this:
"This specification does not include, imply nor assume any particular usage
of the PUA; it merely permits to name glyphs such that the restored
character strings include PUA code points. It is up to the producers and
consumers of glyph names to establish an agreement on the PUA usage."
I have no problem if they document PUA characters they have used in their
fonts as long as they don't suggest that others *should* do the same thing.
It's not a problem if someone else encodes data using their PUA
assignments; what *would be* a real problem is having software that is
limited to assuming those particular PUA semantics.
>...simply by virtue of their presence in
>the AGL these glyphs now appear in the default font templates for
>FontLab.
That's the kind of thing that would concern me, though I presume one can
override the default in FontLab.
>I have many, many fonts set up with uniXXXX names for glyphs that were
>not in AGL v1.2. Now AGL v2.0 has assigned alphabetic names to many of
>those glyphs, so the answer I REALLY need to get from Adobe is whether I
>will need to update those uniXXXX names to AGL 2.0 names in order to
>guarantee FULL functionality of those fonts (TrueType, PostScript - Mac
>and Windows - and both flavours of OpenType) in Adobe applications and
>elsewhere????
A valid concern with which I can sympathise.
- Peter
---------------------------------------------------------------------------
Peter Constable
Non-Roman Script Initiative, SIL International
7500 W. Camp Wisdom Rd., Dallas, TX 75236, USA
Tel: +1 972 708 7485
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