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bye bye dvicopy+ ?
- To: PEB@dmumpiwh.bitnet, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com
- Subject: bye bye dvicopy+ ?
- From: firstname.lastname@example.org (Larry Siebenmann)
- Date: Mon, 4 Apr 94 06:24:36 +0200
Oversight indeed. It seems that font change and
"vertical moves" both zero drift. Do you agree?
Under drivers that do not keep drift near zero, this
invalidates dvicopy+ for any virtual font that uses more
than one raw font or makes use of vertical moves (vskips).
My envisaged use of dvicopy+ for archived dvi's uses
only one raw font per virtual font. But it did explicitly
envisage vertical adjustment of accents. Bang. dvicopy+
Andy Trevorrow is perhaps the last person to analyse
this problem closely. I wonder what he thinks of this mess.
Standard atomic fonts remain promising for
standardizing the use of vf's in the non-PS TeX world. It
is the atomic .dvi notion that is in trouble.
PS This correction crossed with some first reactions of
Jiri; on which more later. One important point I was quite
unaware of is that Peter Breitenlohner has a sheme for
overcoming the drift problem...