nroff error: pushback overflow?

[Bruce Barnett]

Does anyone know what the following error from nroff means:

	nroff: pushback overflow; line xxx file xxx

And then it core dumps.

I am getting this when I define a macro to call another macro (i.e.
the .uh in the -me package). The actual line reported seems totally
unrelated to the cause.  It was only by trial and error and error that
I narrowed it down this much.

Anyone know how I can report bugs in A/UX?
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Bruce G. Barnett	barnett at crd.ge.com	uunet!crdgw1!barnett