old_contents: /**
   * Link
   */
  
  module.exports = text => {
  	const match = text.match(/^\??\[(.+?)\]\((https?:\/\/[\w\/:%#@\$&\?!\(\)\[\]~\.=\+\-]+)\)/);
  	if (!match) return null;
  	const silent = text[0] == '?';
  	const link = match[0];
  	const title = match[1];
  	const url = match[2];
  	return {
  		type: 'link',
  		content: link,
  		title: title,
  		url: url,
  		silent: silent
  	};
  };
  
new_contents: /**
   * Link
   */
  
  module.exports = text => {
  	const match = text.match(/^\??\[([^\[\]]+?)\]\((https?:\/\/[\w\/:%#@\$&\?!\(\)\[\]~\.=\+\-]+)\)/);
  	if (!match) return null;
  	const silent = text[0] == '?';
  	const link = match[0];
  	const title = match[1];
  	const url = match[2];
  	return {
  		type: 'link',
  		content: link,
  		title: title,
  		url: url,
  		silent: silent
  	};
  };
  
subject: Fix bug