Roff in C

[hine, butler]

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The posted version of this program does not work and was apparently
never tested.  As posted, any request at the beginning of a text file
causes the whole file to be skipped because of a logic error in the
basic input routine, called "suck()."  It is well named.  Leading
spaces do not cause a line break since the logic to do this is missing.
Blank lines disappear.  Doubtless there are other bugs as well.

Pity.  Would have been useful.