text: /**
   * Turn Markdown horizontal rule shortcuts into <hr /> tags.
   *
   * Any 3 or more unindented consecutive hyphens, asterisks or underscores with or without a space beetween them
   * in a single line is considered a horizontal rule
   */
  showdown.subParser('makehtml.horizontalRule', function (text, options, globals) {
    'use strict';
    text = globals.converter._dispatch('makehtml.horizontalRule.before', text, options, globals).getText();
  
    var key = showdown.subParser('makehtml.hashBlock')('<hr />', options, globals);
    text = text.replace(/^ {0,2}( ?-){3,}[ \t]*$/gm, key);
    text = text.replace(/^ {0,2}( ?\*){3,}[ \t]*$/gm, key);
    text = text.replace(/^ {0,2}( ?_){3,}[ \t]*$/gm, key);
  
    text = globals.converter._dispatch('makehtml.horizontalRule.after', text, options, globals).getText();
    return text;
  });
  