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The Official Tutorial Archive™ of Nokogiri ®

These tutorials appear on nokogiri.org at http://nokogiri.org/tutorials.

How Do I Suggest Opportunities for Improving Documentation?

You could start by emailing nokogiri-talk.

Or, if you're feeling antisocial, you could just open a Github Issue.

How Do I Contribute Documentation?

  1. Fork.
  2. Edit.
  3. Submit pull request.

Please mentally prepare to have your contributions copyedited. Edits don't mean you're a bad writer, it means that we want the documentation to have a "Unity of Effect".

How Do I Edit and View My Changes?

  1. bundle install
  2. Edit markdown files in the content/ directory.
  3. bundle exec rake html
  4. View generated HTML in the html/ directory.

New Chapters

If you want to add a new chapter, make sure you update the file content/toc to contain the title (the first H1) of the chapter. toc is an ordered list.

Inline Code

Lines starting with ~~~ inline <filename> are replaced by the file contents in a blockquote.

It's recommended to place anything that's not text into a separate asset file (so my bitchin' editor can use the right mode).

So, if you want to inline any blockquoted content, create a file in content/assets and reference it from the markdown file like so:

Here's some XML for your entertainment:

~~~ inline assets/shows.xml

And here's some ruby:

~~~ inline assets/search-setup.rb

Live Code with xmpfilter

In many places in the docs, ruby code is presented along with its output (like here).

When the docs are generated, this ruby code is actually run with the installed version of nokogiri, and the output is captured! Wicked awesome! How does that work?

Lines starting with ~~~ ruby <filename> are replaced by the output of running the code in <filename> through xmpfilter.

So, if you want to inline ruby code and its output, create a file in content/assets and reference it from the markdown file like so:

Here's some ruby along with its stdout:

~~~ ruby assets/search-xpath-characters-first.rb

Conventions

Don't use inline links. Instead, use footnote-style. Any variation is OK, including blank name:

Check out [my lolcat][]

  [my lolcat]: http://icanhascheezburger.com/

or a semantic name:

Check out [this picture of my lolcat][lolcat]

  [lolcat]: http://icanhascheezburger.com/

or an integer:

Check out [this picture of my lolcat][1]

  [1]: http://icanhascheezburger.com/