This document contains notes from a Rails development session. It includes information about setting up a Rails application with Markdown rendering, using Redcarpet and other gems. Code snippets show implementing authentication, layouts, partials and controllers. Links are provided to documentation and tutorials about Rails forms, layouts, Haml and Sass.
20. Ruby library for GitHub Flavored Markdown
```ruby
puts "Hello World!"
````
Rolling out the Redcarpet
https://github.com/blog/832-rolling-out-the-redcarpet
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