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From: schwartz@groucho.cs.psu.edu (Scott Schwartz)
Newsgroups: comp.text.tex
Subject: Line traps? (was Re: Why is TeX so Great?)
Message-ID: <F61d3i83@cs.psu.edu>
Date: 18 Nov 90 07:04:06 GMT
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	<1990Nov16.171914.3079@uni-paderborn.de>
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Michael Janich writes:
   >4) Why is TeX better then Troff or Nroff.
   Nobody how knows TeX would answer such a question! There is *NO*
   possibility to compare such programs.

I'm a TeX fan too, but troff has some really intersting features of
its own.  Traps and diversions, for instance.  Line traps allow you to
execute a macro at secified parts of the page, say at the beginning of
each line.  How does one elegantly get that effect in TeX?