notestuff

# File railties/guides/rails_guides/textile_extensions.rb, line 5
    def notestuff(body)
      # The following regexp detects special labels followed by a
      # paragraph, perhaps at the end of the document.
      #
      # It is important that we do not eat more than one newline
      # because formatting may be wrong otherwise. For example,
      # if a bulleted list follows the first item is not rendered
      # as a list item, but as a paragraph starting with a plain
      # asterisk.
      body.gsub!(/^(TIP|IMPORTANT|CAUTION|WARNING|NOTE|INFO)[.:](.*?)(\n(?=\n)|\Z)/) do |m|
        css_class = case $1
                    when 'CAUTION', 'IMPORTANT'
                      'warning'
                    when 'TIP'
                      'info'
                    else
                      $1.downcase
                    end
        %(<div class="#{css_class}"><p>#{$2.strip}</p></div>)
      end
    end