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Manual Reference Pages  - txt2man (1)

NAME

txt2man - [DEVELOPER] convert flat ASCII text to manpage format

CONTENTS

Synopsis
Description
Options
Environment
Example
Hints
See Also
Bugs
Author

SYNOPSIS

txt2man [-hpTxX] [-t mytitle] [-P pname] [-r rel] [-s sect] [-v vol] [-I txt] [-B txt] [ifile]

DESCRIPTION

txt2man converts the input text into nroff/troff standard man(7) macros used to format Unix manual pages. Nice pages can be generated; particularly for commands (section 1 or 8) or for C functions (sections 2, 3), with the ability to recognize and format command and function names, flags, types and arguments.

txt2man is also able to recognize and format sections, paragraphs, lists (standard, numbered, description, nested), cross references and literal display blocks.

If an input file ifile is omitted, standard input is used. The result is displayed on standard output.

Here is how text patterns are recognized and processed:
Sections
  These headers are defined by a line in upper case, starting in column 1. If there is one or more leading spaces, a sub-section will be generated instead. NOTE that a section resets the indent; so an uppercase line is ALWAYS the beginning of a section and will reset being in fixed space mode.
Paragraphs
  They must be separated by a blank line, and consistently left aligned (all lines must have the same left margin).
Tag list
  The item definition is separated from the item description by at least 2 blank spaces, even before a new line, if the definition is too long. Definition will be emphasized by default.
Bullet list
  Bullet list items are defined by the first word being "-" or "*" or "o" or "+".
Enumerated list
  The first word must be a number followed by a dot.
Literal display blocks
  This paragraph type is used to display unmodified text, for example source code. It must be separated by a blank line, and be indented. It will be printed using a fixed font whenever possible (troff).

So that means you put a blank line above a code block and that there has to have been at least one previous line in the section to set the default indent and that the code must be indented relative to that line:

    SECTION BEGINNING

Line to set the default paragraph indent

                    code starts indented with a blank line

Cross references
  A cross reference (another manpage) is defined by a word followed by a number in parenthesis.

Special sections:
NAME The function or command name and short description are set in this section.
SYNOPSIS
  This section receives a special treatment to identify command name, flags and arguments, and propagate corresponding attributes later in the text. If a C-like function is recognized (word immediately followed by an open parenthesis), txt2man will print function name in bold font, types in normal font, and variables in italic font. The whole section will be printed using a fixed font family (courier) whenever possible (troff).
It is a good practice to embed documentation into source code, by using comments or constant text variables. txt2man allows one to do that, keeping the document source readable, usable even without further formatting (i.e. for online help) and easy to write. The result is high quality and standard-complying documentation.

OPTIONS

-h The option -h displays help.
-P pname
  Set pname as project name in header. Default to uname -s.
-p Probe title, section name and volume.
-t mytitle
  Set mytitle as title of generated manpage.
-r rel Set rel as project name and release.
-s sect
  Set sect as section in heading, usually a value from 1 to 8.
-v vol Set vol as volume name, i.e. "Unix user ’s manual".
-I txt Italicize text in output. Can be specified more than once.
-B txt Emphasize (bold) text in output. Can be specified more than once.
-T Text result previewing using PAGER, usually more(1).
-X X11 result previewing using gxditview(1).
-x Basic example input file

ENVIRONMENT

PAGER name of paging command, usually more(1), or less(1). If not set falls back to more(1).

EXAMPLE

Try this command to format this text itself:

      $ txt2man -h 2>&1 | txt2man -T

HINTS

To obtain an overall good formatting of the output document, keep paragraphs indented correctly. If you have unwanted bold sections, search for multiple spaces between words, which are used to identify a tag list (term followed by a description). Also choose carefully the name of command line or function parameters, as they will be emphasized each time they are encountered in the document.

SEE ALSO

man(1), mandoc(7), rman(1), groff(1), more(1), gxditview(1), troff(1).

BUGS

o Automatic probe (-p option) works only if input is a regular file (i.e. not stdin).
o Something wrong when use ellipsis ("...")
o SYNOPSIS
      command [value(s)]
causes problems with ().
o SYNOPSIS name ( a, b, c, d ) causes problems with (). Remove spaces and it is OK.

AUTHOR

Marc Vertes <mvertes@free.fr>


txt2man (1) March 11, 2021
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