
            /*
			{
				src: '../../slides/plugin/chalkboard/chalkboard.js'
			},
            */
			{
				src: '../../slides/plugin/highlight/highlight.js',
				async: true,
				callback: function () {
					hljs.initHighlightingOnLoad();
				}
			},
            { src: '../../slides/plugin/math/math.js', async: true }
            			],
			keyboard: {
                /*
				67: function () {
					RevealChalkboard.toggleNotesCanvas()
				}, // toggle notes canvas when 'c' is pressed
				66: function () {
				