[texhax] ?encoding? suffices in the TeX Live Adobe font TFMs

Philip TAYLOR P.Taylor at Rhul.Ac.Uk
Fri Oct 23 12:41:50 CEST 2009

OK, thanks for the update Ulrike : I confess
I am /staggered/ that there exist drivers that
don't support virtual fonts 20 years after
DEK introduced them, but that's life !

** Phil.
Ulrike Fischer wrote:

> No, it is the other way round: e.g. the xdv2pdf-driver of xetex (now
> no longer the default driver) doesn't support virtual fonts. On the
> other side every actual driver that can handle type1 fonts has
> something similar to pdftex.map/psfonts.map and can do the
> reencoding. And updmap nowadays generates all the relevant maps so
> you only have to setup one map-file. 
> If the real font (the pfb) contains all the symbols needed for the
> TeX-encoding for which you want to set up the fonts, then you can do
> the reencoding in the map file if you want. Virtual fonts are needed
> when you want to do more, e.g. pull symbols from more then one font
> or manipulate individual symbols. 

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