.\" Copyright (c) 1990 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)deroff.1 6.4 (Berkeley) %G%
.Nd remove nroff, troff, tbl and eqn constructs
reads each file in sequence and removes all
command lines, backslash constructions, macro definitions,
constructs (between `.EQ' and `.EN' lines or between delimiters),
and table descriptions and writes the remainder on the standard output.
follows chains of included files (`.so' and `.nx' commands);
if a file has already been included, a `.so' is ignored and a `.nx'
terminates execution. If no input file is given,
reads from the standard input.
flag is given, the output is a word list, one `word' (string of letters,
digits, and apostrophes, beginning with a letter; apostrophes are removed)
per line, and all other characters ignored.
Otherwise, the output follows the original, with the deletions mentioned above.
appeared in Version 7 AT&T Unix.
interpreter, so it can be confused by subtle constructs.
Most errors result in too much rather than too little output.