code: function cleanTitle( el ) {
  		var txt = cleanPath( el.innerHTML );
  		var idx = txt.indexOf( 'stdlib' );
  		if ( idx === -1 || idx === 1 ) { // e.g., '@stdlib/types/iter'
  			txt = 'stdlib | ' + txt;
  		} else if ( txt.indexOf( ' | stdlib' ) === txt.length-9 ) { // e.g., 'foo/bar | stdlib'
  			txt = 'stdlib | ' + txt.slice( 0, -9 );
  		}
  		el.innerHTML = txt;
  	}
docs: Cleans up the document title.
  
  @private
  @param {DOMElement} el - title element