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 deroff(1)							   deroff(1)




 NAME
      deroff - remove nroff, tbl, and neqn constructs

 SYNOPSIS
      deroff [-mx] [-w] [-i] [file ...]

 DESCRIPTION
      deroff reads each file in sequence and removes all nroff requests,
      macro calls, backslash constructs, neqn constructs (between .EQ and
      .EN lines, and between delimiters - see neqn(1)), and tbl descriptions
      (see tbl(1)), replacing them with white space (blanks and blank
      lines), and writes the remainder of the file on the standard output.
      deroff follows chains of included files (.so and .nx nroff/troff
      formatter 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 can be followed by an m, s, or l.  The -mm option causes
      the macros be interpreted such that only running text is output (that
      is, 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.	 In text, a
      ``word'' is any multi-byte character string or any string that
      contains at least two letters and is composed of letters, digits,
      ampersands (&&amp&amp&), and apostrophes ('); In a macro call, however, a
      ``word'' is a multi-byte character string or 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.''

      If the -i option is specified, deroff ignores the .so and .nx
      nroff/troff commands.

 EXTERNAL INFLUENCES
    Environment Variables
      LC_CTYPE determines the interpretation of text and filenames as single
      and/or multi-byte characters.  Note that multi-byte punctuation
      characters are not recognized when using the -w option.

      LC_MESSAGES determines the language in which messages are displayed.

      If LC_CTYPE or LC_MESSAGES is not specified in the environment or is
      set to the empty string, the value of LANG is used as a default for
      each unspecified or empty variable.  If LANG is not specified or is
      set to the empty string, a default of "C" (see lang(5)) is used
      instead of LANG.




 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 deroff(1)							   deroff(1)




      If any internationalization variable contains an invalid setting,
      deroff behaves as if all internationalization variables are set to
      "C".  See environ(5).

    International Code Set Support
      Single- and multi-byte character code sets are supported.

 WARNINGS
      deroff is not a complete nroff interpreter; thus it can be confused by
      subtle constructs.  Most such errors result in too much rather than
      too little output.

      The -ml option does not handle nested lists correctly.

 AUTHOR
      deroff was developed by the University of California, Berkeley.

 SEE ALSO
      neqn(1), nroff(1), tbl(1).



































 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000