private boolean containsQuoteChars(@NotNull XmlAttributeValue value) {
      for (PsiElement child = value.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (!isDelimiter(child.getNode().getElementType()) 
            && StringUtil.contains(child.getNode().getChars(), myNewQuote)) {
          return true;
        }
      }
      return false;
    }
private boolean containsQuoteChars(@NotNull XmlAttributeValue value)