removed constant

lib/single-file/doc-helper.js

@@ -127,8 +127,8 @@ this.docHelper = this.docHelper || (() => {
 	function markHiddenElements(win, element, markerRemovedContent) {
 		const elements = Array.from(element.childNodes).filter(node => node.nodeType == win.Node.ELEMENT_NODE);
 		elements.forEach(element => markHiddenElements(win, element, markerRemovedContent));
-		if (element.parentElement.getAttribute(REMOVED_CONTENT_ATTRIBUTE_NAME) != "") {
-			element.removeAttribute(REMOVED_CONTENT_ATTRIBUTE_NAME);
+		if (element.parentElement.getAttribute(markerRemovedContent) != "") {
+			element.removeAttribute(markerRemovedContent);
 		}
 	}