You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: clean_html.rb
    path of file: ./repos/devdocs/lib/docs/filters/marionette
    
    the code of the file until where you have to start completion: module Docs
  class Marionette
    class CleanHtmlFilter < Filter
      def call
       
    
      def other
        css('#source + h2', '#improve', '#source', '.glyphicon').remove

        css('p > br').each do |node|
          node.replace(' ')
        end

        css('pre > code').each do |node|
          node.parent['data-language'] = node['class'][/lang-(\w+)/, 1] if node['class']
          node.before(node.children).remove
        end

        css('h2', 'h3').each do |node|
          if anchor = node.at_css('a.anchor[name]')
            id = anchor['name']
          else
            id = node.content.strip
            id.downcase!
            id.remove! %r{['"\/\.:]}
            id.gsub! %r{[\ _]}, '-'
          end
          node['id'] = id
        end