118 lines
1.8 KiB
Plaintext
118 lines
1.8 KiB
Plaintext
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.TH DEROFF 1
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.SH NAME
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deroff, delatex \- remove formatting requests
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.SH SYNOPSIS
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.B deroff
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[
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.I option ...
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]
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.I file ...
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.PP
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.B delatex
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.I file
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.SH DESCRIPTION
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.I Deroff
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reads each file in sequence
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and removes all
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.I nroff
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and
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.IR troff (1)
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requests and non-text arguments, backslash constructions,
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and constructs of preprocessors such as
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.IR eqn (1),
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.IR pic (1),
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and
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.IR tbl (1).
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Remaining text is written on the standard output.
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.I Deroff
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follows files included by
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.L .so
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and
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.L .nx
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commands;
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if a file has already been included, a
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.L .so
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for that file is ignored and a
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.L .nx
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terminates execution.
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If no input file is given,
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.I deroff
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reads from standard input.
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.PP
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The options are
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.TP
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.B -w
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Output a word list, one `word' (string of letters, digits, and
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properly embedded ampersands and apostrophes,
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beginning with a letter) per line.
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Other characters are skipped.
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Otherwise, the output follows the original, with the deletions mentioned above.
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.TP
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.B -_
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Like
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.BR -w ,
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but consider underscores to be alphanumeric rather than punctuation.
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.TP
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.B -i
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Ignore
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.L .so
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and
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.L .nx
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requests.
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.TP
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.BR -ms
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.PD0
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.TP
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.B -mm
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Remove titles, attachments, etc., as well as ordinary
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.IR troff
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constructs, from
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.IR ms (6)
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or
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.I mm
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documents.
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.PD
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.TP
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.B -ml
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Same as
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.BR -mm ,
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but remove lists as well.
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.PP
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.I Delatex
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does for
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.I tex
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and
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.I latex
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(see
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.IR tex (1))
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files what
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.B deroff -wi
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does for
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.I troff
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files.
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.SH SOURCE
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.B /sys/src/cmd/deroff.c
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.br
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.B /sys/src/cmd/tex/local/delatex.c
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.SH "SEE ALSO"
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.IR troff (1),
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.IR tex (1),
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.IR spell (1)
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.SH BUGS
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These filters are not complete interpreters of
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.I troff
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or
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.IR tex .
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For example, macro definitions containing
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.L \e$
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cause chaos in
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.IR deroff
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when the popular
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.L $$
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delimiters for
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.I eqn
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are in effect.
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.PP
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Text inside macros is emitted at place of
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definition, not place of call.
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