db2pdf fails with a TeX error... here is an example w/one of the docs that
comes with the package...

[root@ultra1 test]# pwd
/usr/lib/sgml/stylesheets/nwalsh-modular/test
[root@ultra1 test]# db2pdf docinfo.sgm
This is pdfTeX, Version 3.14159-13d (Web2C 7.3.1)
(docinfo.sgm.tex[/usr/share/texmf/pdftex/config/pdftex.cfg]
JadeTeX 1999/06/29: 2.7
(/usr/share/texmf/tex/latex/psnfss/t1ptm.fd)
(/usr/share/texmf/tex/jadetex/isoents.tex
! TeX capacity exceeded, sorry [hash size=10000].
l.1417 \expandafter\def\csname EntnvDash\endcsname
                                                  {\ensuremath{\nvDash}}%
U2...

!  ==> Fatal error occurred, the output PDF file not finished!
Transcript written on docinfo.sgm.log.
[root@ultra1 test]#