static/tinymce/plugins/table/editor_plugin_src.js
function createTableGrid(node) {
				var selection = ed.selection, tblElm = ed.dom.getParent(node || selection.getNode(), 'table');

				if (tblElm)
					return new TableGrid(tblElm, ed.dom, selection);
			}
function createTableGrid(node) {
				var selection = ed.selection, tblElm = ed.dom.getParent(node || selection.getNode(), 'table');

				if (tblElm)
					return new TableGrid(tblElm, ed.dom, selection);
			}
Might be selected cells on reload