code: function guessTitle(id) {
  			if (!id) {
  				return id;
  			}
  			return (id.substring(0, 1).toUpperCase() + id.substring(1)).replace(/s(?=cript)/, 'S');
  		}
docs: Tries to guess the name of a language given its id.
  
  From `prism-show-language.js`.
  
  @param {string} id The language id.
  @returns {string}