code: function parseComment(comment, append){
  
    // separatet so that this code could be parsed
    var escapedollar = '----esacepedollar'+'---'+'jsdoc-at-examples---';
    function unescape(result){
      return result.replace(new RegExp(escapedollar,'g'), '$$');
    }
  
    // escape $ in comments
    comment.value = comment.value.replace(/\$/g, escapedollar);
  
    var expose, examples, current, statement;
    var test = {
      setup: [],
      tests: [],
      teardown: []
    };
    var hastest = false;
  
    // Normalize comment
    comment = comment.value.replace(/\$/g, '$$$').replace(/\r/g,'');
    // Remove empty lines from comment
    comment = comment.replace(/\$/g, '$$$').replace(RegExp(spansLine('')), '');
    // Build @expose and @examples regex
    expose   = RegExp(spansLine('@expose\\s*('+identifier()+'*)'),'g');
    examples = RegExp(spansLine('@examples')+'((?:'+spansLine('.*//.*')+')*)','g');
  
    while (current = expose.exec(comment)){
      statement = buildExpose(unescape(current[1]));
      if(statement)append(statement);
    }
    while(current = splitLines(examples.exec(comment))){
      for(var i in current){
        if(parseExampleLine(current[i][0], current[i][1], test)){
          hastest = true;
        }
      }
    }
  
    return hastest ? test : null;
  }
docs: Called on every comment to parse @examples and @expose tags.
  @private