3 deroff \- remove formatting requests
12 reads each file in sequence
17 requests and non-text arguments, backslash constructions,
18 and constructs of preprocessors such as
23 Remaining text is written on the standard output.
25 follows files included by
30 if a file has already been included, a
32 for that file is ignored and a
35 If no input file is given,
37 reads from standard input.
42 Output a word list, one `word' (string of letters, digits, and
43 properly embedded ampersands and apostrophes,
44 beginning with a letter) per line.
45 Other characters are skipped.
46 Otherwise, the output follows the original, with the deletions mentioned above.
51 but consider underscores to be alphanumeric rather than punctuation.
64 Remove titles, attachments, etc., as well as ordinary
76 but remove lists as well.
78 .B /sys/src/cmd/deroff.c
80 .B /sys/src/cmd/tex/local/delatex.c
85 This filter is not a complete interpreter of
87 For example, macro definitions containing
97 Text inside macros is emitted at place of
98 definition, not place of call.