tbl preprocessor for expanding .so files

[Ray Lubinsky]

> This filter can be used to expand tables specified in files that
> are dragged in by .so nroff commands.  It's needed in front of
> pipelines like
> 	tbl ... | nroff ...
				:
				:

Correct if I'm wrong, but isn't this just a weaker version of  soelim(1)?   I'm
on 4.2 BSD, so, I don't know, maybe this filter doesn't exist on other versions
of Unix.  If it does, there's no point in reinventing the wheel.  Soelim(1) can
also handle nesting of ".so" calls.
-- 

Ray Lubinsky		     University of Virginia, Dept. of Computer Science
			     uucp: decvax!mcnc!ncsu!uvacs!rwl