module Docs  class TclTk < UrlScraper    self.name = 'Tcl/Tk'    self.type = 'tcl_tk'    self.slug = 'tcl_tk'    self.links = {      home: 'https://www.tcl-lang.org/',      code: 'https://sourceforge.net/projects/tcl/files/Tcl/'    }     html_filters.push 'tcl_tk/entries', 'tcl_tk/clean_html', 'title'     options[:root_title] = 'Tcl/Tk Documentation'    options[:trailing_slash] = false    options[:skip] = %w(siteinfo.htm)    options[:skip_patterns] = [      # ignore keyword list pages      /\AKeywords\//,      # ignore C-API, only required for extension developers      /\ATclLib\//,      /\ATkLib\//,      /\AItclLib\//,      /\ATdbcLib\//    ]     options[:attribution] = <<-HTML      Licensed under <a href="http://www.tcl-lang.org/software/tcltk/license.html">Tcl/Tk terms</a>    HTML     version '9.0' do      self.base_url = "https://www.tcl-lang.org/man/tcl#{self.version}/"      self.release = '9.0.2'    end     version '8.6' do      self.base_url = "https://www.tcl-lang.org/man/tcl#{self.version}/"      self.root_path = 'contents.htm'      self.release = '8.6.16'    end     def get_latest_version(opts)      doc = fetch_doc('https://www.tcl-lang.org/man/tcl/', opts)      doc.at_css('h2').content.scan(/Tk([0-9.]+)/)[0][0]    end  endend