public/ckeditor/4.4dev/core/dom/range.js
function getLengthOfPrecedingTextNodes( node ) {
				var sum = 0;

				while ( ( node = node.getPrevious() ) && node.type == CKEDITOR.NODE_TEXT )
					sum += node.getLength();

				return sum;
			}
function getLengthOfPrecedingTextNodes( node ) {
				var sum = 0;

				while ( ( node = node.getPrevious() ) && node.type == CKEDITOR.NODE_TEXT )
					sum += node.getLength();

				return sum;
			}
function getLengthOfPrecedingTextNodes ( node ) { var sum = 0 ; while ( ( node = node . getPrevious ( ) ) && node . type == CKEDITOR . NODE_TEXT ) sum += node . getLength ( ) ; return sum ; }
Sums lengths of all preceding text nodes.
Sums lengths of all preceding text nodes .