static/tinymce/tiny_mce_src.js
function(command) {
				if (selection.isCollapsed())
					selection.select(selection.getNode());

				execNativeCommand(command);
				selection.collapse(FALSE);
			}
function(command) {
				if (selection.isCollapsed())
					selection.select(selection.getNode());

				execNativeCommand(command);
				selection.collapse(FALSE);
			}
Override unlink command