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##### Generate RFCs and IETF drafts from document source in XML according
to the IETF xml2rfc v2 and v3 vocabularies
- [Changelog]
- [Installation]
- [Usage]
- [Contributing]
- [Getting Started]
- [Git Cloning Tips]
- [Docker Dev Environment]
- [Release Procedure]
---
### Introduction
The [IETF] uses a specific format for the standards and other documents it
publishes as [RFCs], and for the draft documents which are produced when
developing documents for publications. There exists a number of different
tools to facilitate the formatting of drafts and RFCs according to the
existing rules, and this tool, **xml2rfc**, is one of them. It takes as
input an xml file that contains the text and meta-information about author
names etc., and transforms it into suitably formatted output. The input xml
file should follow the grammars in [RFC7749] *(for v2 documents)* or
[RFC7991] *(for v3 documents)*. Note that the grammar for v3 is still being
refined, and changes will eventually be captured in the [bis draft for
7991]. Changes not yet captured can be seen in the xml2rfc source [v3.rng],
or in the [documentation xml2rfc produces] with its `--doc` flag.
**xml2rfc** provides a variety of output formats. See the command line help
for a full list of formats. It also provides conversion from v2 to v3, and
can run the [preptool] on its input.
### Installation
Installation of the python package is done as usual with `pip install
xml2rfc`, using appropriate switches.
#### Installation of support libraries for the PDF-formatter
In order to generate PDFs, **xml2rfc** uses the [WeasyPrint] module, which
depends on external libraries that must be installed as native packages on
your platform, separately from the **xml2rfc** install.
1. First, install the **Pango**, and other required libraries on your
system. See installation instructions on the [WeasyPrint Docs].
2. Next, install WeasyPrint python modules using pip.
```sh
pip install 'weasyprint>=53.0,!=57.0,!=60.0'
```
3. Finally, install the full **Noto Font** and **Roboto Mono** packages:
* Download the full font file from:
https://noto-website-2.storage.googleapis.com/pkgs/Noto-unhinted.zip
* Follow the installation instructions at
https://www.google.com/get/noto/help/install/
* Go to https://fonts.google.com/specimen/Roboto+Mono, and download the
font. Follow the installation instructions above, as applied to this
download.
* Go to https://fonts.google.com/noto/specimen/Noto+Sans+Math, and
download the font. Follow the installation instructions above, as
applied to this download.
With these installed and available to **xml2rfc**, the `--pdf` switch will
be enabled.
### Usage
**xml2rfc** accepts a single XML document as input and outputs to one or
more conversion formats.
#### Basic Usage
```sh
xml2rfc SOURCE [options] FORMATS...
```
Run `xml2rfc --help` for a full listing of command-line options.
### Getting Started
This project is following the standard **Git Feature Workflow** development
model. Learn about all the various steps of the development workflow, from
creating a fork to submitting a pull request, in the [Contributing] guide.
> Make sure to read the [Styleguides] section to ensure a cohesive code
format across the project.
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