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https://github.com/apjanke/ronn-ng

Ronn-NG: An updated fork of ronn. Build man pages from Markdown.
https://github.com/apjanke/ronn-ng

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Ronn-NG: An updated fork of ronn. Build man pages from Markdown.

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README

        

# Ronn-NG

Ronn-NG is a new, currently-maintained fork of the defunct [original Ronn
project](https://github.com/rtomayko/ronn).

Ronn builds manuals. It converts simple, human readable textfiles to roff for
terminal display, and also to HTML for the web.

The source format includes all of Markdown but has a more rigid structure and
syntax extensions for features commonly found in manpages (definition lists,
link notation, etc.). The ronn-format(7) man page defines the format in
detail.

The `*.ronn` files found in the [`man/`][1] directory show off a wide range of
ronn capabilities:

* [ronn(1)](https://rtomayko.github.io/ronn/ronn-format.7.html) command –
[source file](https://github.com/apjanke/ronn-ng/blob/main/man/ronn.1.ronn),
[roff output](https://github.com/apjanke/ronn-ng/blob/main/man/ronn.1)

* [ronn-format(7)](https://rtomayko.github.io/ronn/ronn-format.7.html) file format –
[source file](https://github.com/apjanke/ronn-ng/blob/main/man/ronn-format.7.ronn),
[roff output](https://github.com/apjanke/ronn-ng/blob/main/man/ronn-format.7)

[1]: https://github.com/apjanke/ronn-ng/tree/main/man

As an alternative, you might want to check out [pandoc](https://pandoc.org/) which can also convert markdown into roff manual pages.

## Installation

Install with Homebrew on macOS:

```bash
brew tap apjanke/ronn-ng
brew install ronn-ng
```

Install with `gem` anywhere that supports it:

```bash
gem install ronn-ng
```

See [INSTALLING.md](INSTALLING.md) for details on other systems and installation methods.

## Examples

Build roff and HTML output files for one or more input files:

```bash
$ ronn man/ronn.5.ronn
roff: man/ronn.5
html: man/ronn.5.html
```

Generate only a standalone HTML version of one or more files:

```bash
$ ronn --html man/markdown.5.ronn
html: man/markdown.5.html
```

Build roff versions of all ronn files in a directory:

```bash
$ ronn --roff man/*.ronn
```

View a ronn file as if it were a manpage without building intermediate files:

```bash
$ ronn --man man/markdown.5.ronn
```

View roff output with man(1):

```bash
$ man man/ronn.5
```

The [ronn(1)](https://rtomayko.github.io/ronn/ronn-format.7.html) man page includes
comprehensive documentation on `ronn` command line options.

## Background

Some think Unix man pages are a poor and outdated form of documentation. Ronn-NG
disagrees:

* Manpages follow a well defined structure that's immediately familiar. This
gives developers a starting point when documenting new tools, libraries, and
formats.

* Manpages get to the point. Because they're written in an inverted style, with
a SYNOPSIS section followed by additional detail, prose and references to
other sources of information, manpages provide the best of both cheat sheet
and reference style documentation.

* Historically, manpages use an extremely — unbelievably — limited set of
text formatting capabilities. You get a couple of headings, lists, bold,
underline and no more. This is a feature.

* Although two levels of section hierarchy are technically supported, most
manpages use only a single level. Unwieldy document hierarchies complicate
otherwise good documentation. Remember that Feynman covered all of physics
— heavenly bodies through QED — with only two levels of document hierarchy
(_The Feynman Lectures on Physics_, 1970).

* The classical terminal manpage display is typographically well thought out.
Big bold section headings, justified monospace text, nicely indented
paragraphs, intelligently aligned definition lists, and an informational
header and footer.

* Manpages have a simple referencing syntax; e.g., sh(1), fork(2), markdown(7).
HTML versions can use this to generate links between pages.

Unfortunately, figuring out how to create a manpage is a fairly tedious process.
The roff/mandoc/mdoc macro languages are highly extensible, fractured between
multiple dialects, and include a bunch of device-specific stuff irrelevant to
modern publishing tools. Ronn aims to solve that problem.

## Requirements

Ronn-NG requires Ruby 2.4 or newer.

Ruby 3.x support is a work in progress as of Ronn-NG 0.10.1 (December 2022).

If you are installing Ronn-NG as a standalone program (the usual way to use it), it
includes all its Ruby libraries, and has no other dependencies. If you are using
Ronn-NG as a gem or other library, it requires gems as listed in `ronn-ng.gemspec`.

## Project Management

The project home page is at . Bug reports,
feature requests, and patch submissions are welcome.

Ronn-NG was forked from the original Ronn project in 2018 after Ronn
development had been defunct for a couple years, and Andrew wanted
some bugs fixed.

## License and Copying

MIT License.

Ronn is Copyright (C) 2010 [Ryan Tomayko](https://github.com/rtomayko).

New Ronn-NG material is Copyright (C) 2018-2022 [Andrew Janke](https://apjanke.net) and other contributors.

See the file LICENSE.txt for information of licensing and distribution.

## Build Status

![Travis build status](https://travis-ci.com/apjanke/ronn-ng.svg?branch=main)