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From: eijkhout@s41.csrd.uiuc.edu (Victor Eijkhout)
Newsgroups: comp.text.tex
Subject: Re: Problem with TeX character codes
Message-ID: <1991Feb7.175735.12642@csrd.uiuc.edu>
Date: 7 Feb 91 17:57:35 GMT
References: <1991Feb7.112203.12456@polaris.utu.fi>
Sender: news@csrd.uiuc.edu (news)
Organization: UIUC Center for Supercomputing Research and Development
Lines: 37

knuutila@tucos.utu.fi (Timo Knuutila) writes:

>Dear TeXackers,

>I encountered the following problem when trying to marry TeX, PostScript fonts
>and foreign language hyphenation in my TeX-system (SB-TeX, emTeX drivers and
>font libraries, dvips54, 386 PC).

You could try adding virtual fonts to this...

>I have a scandinavian keyboard with special keys for the accented scandinavian
>letters (\"a, \"o, \"A, \"O, \aa, \AA) and I'm trying to map these to the
>corresponding PostScript character codes. In what follows, suppose that
>x, y, X and Y stand for the characters of a-, o-, A- and O-umlaut,
>respectively.

>The easiest way to map these characters to something TeX knows about, would be

>    \catcode`\x=\active  [misguided attempt deleted]

>They should be mapped directly to character codes (the

>    x: 0x99    [...]

>I made the following macro definitions (after x etc had been declared to be
>active characters):

>    \defx{^^99}    [...]

This is too low level. Have you tried 

  \catcode`x\active \def x{\char"99 }

? That addresses directly the font position, without trying
to force some earlier translation table.

Victor.