[xmlroff] Errors with libfo

[Noah S. <ns...@gm...>]

Trying to run xmlroff against a simple fo file results in lots of
errors and then aborts.

I have included the original DocBook file, the FO file and the output
from xmlroff.

--
"Creativity can be a social contribution, but only in so
far as society is free to use the results." - R. Stallman