deroff – remove formatting requests
reads each file in sequence
and removes all
requests and non-text arguments, backslash constructions,
and constructs of preprocessors such as
Remaining text is written on the standard output.
follows files included by
if a file has already been included, a
for that file is ignored and a
If no input file is given,
reads from standard input.
The options are
Output a word list, one ‘word’ (string of letters, digits, and
properly embedded ampersands and apostrophes,
beginning with a letter) per line.
Other characters are skipped.
Otherwise, the output follows the original, with the deletions mentioned above.
but consider underscores to be alphanumeric rather than punctuation.
Remove titles, attachments, etc., as well as ordinary
but remove lists as well.
This filter is not a complete interpreter of
For example, macro definitions containing
cause chaos in
when the popular
are in effect.
Text inside macros is emitted at place of
definition, not place of call.