contenteditable and arrow keys
@ -135,7 +135,7 @@ var Reveal = (function(){
*/
function onDocumentKeyDown( event ) {
if( event.keyCode >= 37 && event.keyCode <= 40 ) {
if( event.keyCode >= 37 && event.keyCode <= 40 && event.target.contentEditable === 'inherit' ) {
switch( event.keyCode ) {
case 37: navigateLeft(); break; // left