deroff(1)                  DG/UX 4.30                   deroff(1)



     NAME
          deroff - remove nroff/troff, tbl, and eqn constructs

     SYNOPSIS
          deroff [-mx] [-w] [ files ]

     DESCRIPTION
          Deroff reads each of the files in sequence and removes all
          troff(1) requests, macro calls, backslash constructs, eqn(1)
          constructs (between .EQ and .EN lines), tbl(1) descriptions,
          and pic descriptions, and writes the remainder of the file
          on the standard output.  Deroff follows chains of included
          files (.so and .nx troff commands); if a file has already
          been included, a .so naming that file is ignored and a .nx
          naming that file terminates execution.  If no input file is
          given, deroff reads the standard input.

          The -m option may be followed by an m or l.  The -mm option
          causes the macros to be interpreted so that only running
          text is output (i.e., no text from macro lines.)  The -ml
          option forces the -mm option and also causes deletion of
          lists associated with the mm macros.

          If the -w option is given, the output is a word list, one
          word per line, with all other characters deleted.
          Otherwise, the output follows the original, with the
          deletions mentioned above.  A word is any string that
          contains at least two letters and is composed of letters,
          digits, ampersands (&), and apostrophes (').  In a macro
          call, however, a word is a string that begins with at least
          two letters and contains a total of at least three letters.
          Delimiters are any characters other than letters, digits,
          apostrophes, and ampersands.  Trailing apostrophes and
          ampersands are removed from words.

     SEE ALSO
          eqn(1), nroff(1), tbl(1), troff(1).  Using the Documenter's
          Tool Kit on the DG/UX System.

     NOTES
          deroff is not a complete troff interpreter, so it can be
          confused by subtle constructs.  Most such errors result in
          too much rather than too little output.
          Erroneous results can occur if eqn(1) constructs are not
          closed.
          The -ml option does not handle nested lists correctly.









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