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From: steig@batcomputer.UUCP
Newsgroups: comp.sys.mac
Subject: Font ID changing (RE: Font ID number listing)
Message-ID: <1069@batcomputer.tn.cornell.edu>
Date: Tue, 19-May-87 16:36:10 EDT
Article-I.D.: batcompu.1069
Posted: Tue May 19 16:36:10 1987
Date-Received: Thu, 21-May-87 04:02:56 EDT
References: <3086@well.UUCP>
Reply-To: steig@tcgould.tn.cornell.edu.UUCP (Mark J. Steiglitz)
Distribution: world
Organization: Cornell Theory Center, Cornell University, Ithaca NY
Lines: 23
Keywords: fonts resource ID
Summary: new Font/DA Mover transparently changes font ID's?

In article <3086@well.UUCP> tswift@well.UUCP (Theodore John Swift) writes:
>In an effort to find an unused font ID number for a new font I'd designed
>("Woodside", to appear soon in .mac.binaries), I went through the task of
>listing (a bunch of) fonts by name and by ID number. The new Font/DA
>Movers now transparently change font ID's to avoid conflict, ...
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Are you sure about this?  If the new Font/DA mover indeed changes the IDs of
fonts, without notifying the user, then there is a potential for
compatibility problems.  If you take a font with, let's say, ID 230, and you
install it in a System file with no existing FONT 230, then, no problem.
But if you install it into a System file that already has FONT 230 it it,
then the ID of the newly installed font will be changed.  Documents
formatted under this System in the newly-installed font will appear in a
different font when displayed under the other System, and documents
formatted under the system that has the font intact will be displayed in the
font with same ID (which is a different font) under the System with the
conflicting fonts.
-- 
|Mark J. Steiglitz          |Bitnet: steig@crnlthry, araj@crnlvax5            |
|USnail: 3626 Dickson Hall  |Arpanet: steig@tcgould.tn.cornell.edu            |
|        Cornell University |         araj@vax5.ccs.cornell.edu               |
|        Ithaca, NY  14853  |Usenet: steig@batcomputer.tn.cornell.edu.uucp    |