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Sender: Mailing list for the LaTeX3 project <[log in to unmask]>
From: Javier Bezos <[log in to unmask]>
Date: Sun, 4 Feb 2001 13:43:51 +0100
Reply-To: Mailing list for the LaTeX3 project <[log in to unmask]>
Parts/Attachments: text/plain (50 lines)
> after having handwaved myself through the ideas of  specifying glyph
> collections rather than font encodings, here is a "hand waving" sort of
> implementation of the idea.
> basically \fontencoding is changed to accept a comma list of encodings and
> \selectfont is changed to try these encodings in order (keeping the other font
> characteristics) until it finds a font or runs out of encodings. in the latter
> case it trys to find a font by changing the characteristics to defaults.
> the latter process could and should be made smarter, eg given
>  encodings T1,OT1
>  family    xxx
>  series    yyy
>  shape     zzz


Apparently, the sample always loads the ot1 variants, no matter
which encoging is selected. I think that you mean

\DeclareRobustCommand\selectfont    ...etc.

instead of

\DeclareRobustCommand\Xselectfont    ...etc.

But anyway...

As you know, I was experinmenting a couple of month ago with this idea
in my draft for Lambda (the multilingual environment for Omega).
However, I found several problems. For example:
- if I say \fontencoding{T1,OT1} we will get t1cmr which points to another
  font (ec) and not to a t1 encoded cmr,
- more importantly, we lost the control of the final result, because
  a faked accented letter may be not exactly the same as an actual composite
  letter. It so happens that no TeX installations are the same and perhaps
  a different font in selected in another system just because a file has not
  been installed.

Despite that, I think that is the right way, and I'm studying how to solve
these issues. Any ideas?

Javier Bezos              | TeX y tipografia
jbezos at wanadoo dot es  |