[NTG-pdftex] still probelms with inclusion

Hans Hagen pragma@wxs.nl
Fri, 14 May 2004 08:50:21 +0200

At 05:21 14/05/2004, you wrote:
>that's the problem we have been discussing about which fm entry to
>return for a given base name + slant + extent.
>I had some discussion with Hartmut, and it should be feasible to
>implement what I suggested in my previous mail:
> > For example, we can choose which tfm should be used regard to the
> > following checks (in descending priority):
> >
> > * the tfm has been used (some char from this font has been typeset)
> > * the tfm has been loaded (but not used yet)
> > * the tfm can be loaded (but not loaded yet)
> > * the tfm is present in map files, but cannot be loaded. In this case a
> >   dummy tfm can be loaded instead, and warning should be written
>if this is implemented, in your example pdftex would check for all fm entry
>with the base name 'Palatino-Roman' and select the 'right' one instead
>of the first one (uplr8y) as it is doing at the moment.

What happens if that file is not really the same? (virtual vs original, 
special subset with name unchanged, updated metrics);

is it possible to store a checksum (i assume private keys are possible in 
the font dict) and ignore matches with different checksums?