# File lib/rbot/language.rb, line 76
    def set_language(language)
      lang_str = language.to_s.downcase.gsub(/\s+/,'_')
      lang_sym = lang_str.intern
      if defined?(GetText) and Lang2Locale.key?(lang_sym)
        setlocale(Lang2Locale[lang_sym])
        debug "locale set to #{locale}"
        rbot_gettext_debug
      else
        warning "Unable to set locale, unknown language #{language} (#{lang_str})"
      end

      file = Config::datadir + "/languages/#{lang_str}.lang"
      unless(FileTest.exist?(file))
        raise "no such language: #{lang_str} (no such file #{file})"
      end
      @language = lang_str
      @file = file
      scan
      return if @bot.plugins.nil?
      @bot.plugins.core_modules.each { |p|
        if p.respond_to?('set_language')
          p.set_language(@language)
        end
      }
      @bot.plugins.plugins.each { |p|
        if p.respond_to?('set_language')
          p.set_language(@language)
        end
      }
    end