[tex-k] Bug#83146: MF fatal error

Olaf Weber olaf@infovore.xs4all.nl
24 Jan 2001 14:51:29 +0100

Fabrice Popineau writes:

> * Thomas Esser <te@informatik.uni-hannover.de> writes:
> Julian>  Wow!  I got a MetaFont "This can't happen (m)" error.  Here's
> Julian>  how I did it.
> Julian>  
> Julian>  mf '\mode:=ljfzzz; mag:=1+0/1200; nonstopmode; input xslhz20'
> Julian>  
> Julian>  Now ljfzzz is in the standard modes.mf:

> Thomas>  Interesting. This also happens with teTeX's 'METAFONT,
> Thomas>  Version 2.7182 (Web2C 7.3.1)' and TeX Live 5d's 'METAFONT,
> Thomas>  Version 2.7182 (Web2C 7.3.2x)'.

> As expected under win32 too (same version as on the TL5), but it may
> be the case that mf just can't handle this piece of code (well, at
> least this error is documented in the web code). Any mf wizard around
> there to look at the problem ?

At first glance, it looks like an overflow issue.

Olaf Weber