module Docs  class Html < Mdn    prepend FixInternalUrlsBehavior     self.name = 'HTML'    self.base_url = 'https://developer.mozilla.org/en-US/docs/Web/HTML'     html_filters.push 'html/clean_html', 'html/entries', 'title'     options[:root_title] = 'HTML'     options[:title] = ->(filter) do      if filter.slug == 'Element/Heading_Elements'        'Heading Elements'      elsif filter.slug.start_with?('Element/')        "<#{filter.default_title}>"      else        filter.default_title      end    end     options[:skip] = %w(      /index      /Element/shadow      /Element/webkit-meter-optimum-value    )     options[:replace_paths] = {      '/Element/h1' => '/Element/Heading_Elements',      '/Element/h2' => '/Element/Heading_Elements',      '/Element/h3' => '/Element/Heading_Elements',      '/Element/h4' => '/Element/Heading_Elements',      '/Element/h5' => '/Element/Heading_Elements',      '/Element/h6' => '/Element/Heading_Elements',      '/Global_attributes/data-%2A' => '/Global_attributes/data-*' }     options[:fix_urls] = ->(url) do      url.sub! 'https://developer.mozilla.org/en-US/docs/HTML/', "#{Html.base_url}/" unless url.include?('Content_categories')      url    end  endend