@Override
  public TextRange adjustSurroundWithRange(final PsiFile file, final TextRange selectedRange) {
    if (!(file instanceof XmlFile)) return selectedRange;
    int startOffset = selectedRange.getStartOffset();
    int endOffset = selectedRange.getEndOffset();
    PsiElement element1 = file.findElementAt(startOffset);
    PsiElement element2 = file.findElementAt(endOffset - 1);

    Language lang1 = getLanguage(element1);
    Language lang2 = getLanguage(element2);

    if (element1 instanceof PsiWhiteSpace && isLanguageWithWSSignificant(lang1) ) {
      startOffset = element1.getTextRange().getEndOffset();
      element1 = file.findElementAt(startOffset);
    }
    if (element2 instanceof PsiWhiteSpace && isLanguageWithWSSignificant(lang2) ) {
      endOffset = element2.getTextRange().getStartOffset();
      element2 = file.findElementAt(endOffset);
    }

    lang1 = getLanguage(element1);
    lang2 = getLanguage(element2);

    if(lang1 != lang2) return null;

    TextRange.assertProperRange(startOffset, endOffset, "Wrong offsets for " + selectedRange.substring(file.getText()));
    return new TextRange(startOffset, endOffset);
  }
@Override
  public TextRange adjustSurroundWithRange(final PsiFile file, final TextRange selectedRange)