public/ckeditor/4.4dev/plugins/undo/plugin.js
function() {
			var i = this.stack.length,
				total = 0;

			while ( i-- ) {
				total += this.stack[ i ].inputs;
			}
			return total;
		}
function() {
			var i = this.stack.length,
				total = 0;

			while ( i-- ) {
				total += this.stack[ i ].inputs;
			}
			return total;
		}
function ( ) { var i = this . stack . length , total = 0 ; while ( i -- ) { total += this . stack [ i ] . inputs ; } return total ; }
Sums up inputs number for each key code and returns it.

@returns {Number}
Sums up inputs number for each key code and returns it .