static/tinymce/plugins/lists/editor_plugin_src.js
function skipWhitespaceNodes(e, next) {
		while (e && (e.nodeType === 8 || (e.nodeType === 3 && /^[ \t\n\r]*$/.test(e.nodeValue)))) {
			e = next(e);
		}
		return e;
	}
function skipWhitespaceNodes(e, next) {
		while (e && (e.nodeType === 8 || (e.nodeType === 3 && /^[ \t\n\r]*$/.test(e.nodeValue)))) {
			e = next(e);
		}
		return e;
	}
function skipWhitespaceNodes ( e , next ) { while ( e && ( e . nodeType === 8 || ( e . nodeType === 3 && / ^[ \t\n\r]*$ / . test ( e . nodeValue ) ) ) ) { e = next ( e ) ; } return e ; }
Skips text nodes that only contain whitespace since they aren't semantically important.
Skips text nodes that only contain whitespace since they aren t semantically important .