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Ruby on Rails Guides Guidelines

This guide documents guidelines for writing Ruby on Rails Guides. This guide follows itself in a graceful loop, serving itself as an example.

After reading this guide, you will know:

1 Markdown

Guides are written in GitHub Flavored Markdown. There is comprehensive documentation for Markdown, as well as a cheatsheet.

2 Prologue

Each guide should start with motivational text at the top (that's the little introduction in the blue area). The prologue should tell the reader what the guide is about, and what they will learn. As an example, see the Routing Guide.

3 Headings

The title of every guide uses an h1 heading; guide sections use h2 headings; subsections use h3 headings; etc. Note that the generated HTML output will use heading tags starting with <h2>.

Guide Title


### Sub Section

When writing headings, capitalize all words except for prepositions, conjunctions, internal articles, and forms of the verb "to be":

#### Middleware Stack is an Array
#### When are Objects Saved?

Use the same inline formatting as regular text:

##### The `:content_type` Option

4 API Documentation Guidelines

The guides and the API should be coherent and consistent where appropriate. In particular, these sections of the API Documentation Guidelines also apply to the guides:

5 HTML Guides

Before generating the guides, make sure that you have the latest version of Bundler installed on your system. As of this writing, you must install Bundler 1.3.5 on your device.

To install the latest version of Bundler, run gem install bundler.

5.1 Generation

To generate all the guides, just cd into the guides directory, run bundle install, and execute:

bundle exec rake guides:generate


bundle exec rake guides:generate:html

To process my_guide.md and nothing else use the ONLY environment variable:

touch my_guide.md
bundle exec rake guides:generate ONLY=my_guide

By default, guides that have not been modified are not processed, so ONLY is rarely needed in practice.

To force processing all the guides, pass ALL=1.

It is also recommended that you work with WARNINGS=1. This detects duplicate IDs and warns about broken internal links.

If you want to generate guides in a language other than English, you can keep them in a separate directory under source (eg. source/es) and use the GUIDES_LANGUAGE environment variable:

bundle exec rake guides:generate GUIDES_LANGUAGE=es

If you want to see all the environment variables you can use to configure the generation script just run:


5.2 Validation

Please validate the generated HTML with:

bundle exec rake guides:validate

Particularly, titles get an ID generated from their content and this often leads to duplicates. Please set WARNINGS=1 when generating guides to detect them. The warning messages suggest a solution.

6 Kindle Guides

6.1 Generation

To generate guides for the Kindle, use the following rake task:

bundle exec rake guides:generate:kindle


Se te anima a ayudar a mejorar la calidad de esta guía.

Por favor contribuye si hay errores tipográficos o de conceptos. Para empezar, puedes leer nuestra sección de colaboración con la sección de documentación contribuciones a la documentación.

También es posible encontrar contenidos incompletos, o cosas que no están actualizadas. Por favor añade cualquier documentación faltante en master. Asegúrate de revisar las guías Las guías paralelas primero para verificar si las cuestiones ya se han subido o no a la rama principal. Comprueba las Directrices de Ruby on Rails para el estilo y convenciones.

Si por cualquier razón encuentras algo para arreglar, pero no lo puedes por ti mismo, por favor, abre una incidencia abrir una incidencia.

Y por último pero no menos importante, cualquier tipo de discusión con respecto a la documentación de Ruby on Rails es muy bienvenida en la lista de correo RubyOnRails-docs lista de correo rubyonrails-docs.