* For demo purposes allows one to turn on/off the inlineDiagrams setting. * @method checkUrlOpts * @return {void}

* Parses URL looks for song query string param value * @return string */

* * @private * @method getFilenames * @param string $dir * @return array */

* * @param string $text input text file block * @return Song(object) */

* Adds a new SongLink_Pvm to list * @method Add * @param string $title * @param string $url * @return (none) */