function getCssText(format) {
			return Preview.getCssText(ed, format);
		}
Returns a preview css text for the specified format.

@method getCssText
@param {String/Object} format Format to generate preview css text for.
@return {String} Css text for the specified format.
@example
var cssText1 = editor.formatter.getCssText('bold');
var cssText2 = editor.formatter.getCssText({inline: 'b'});