nsAutoString str; str.AssignWithConversion(aBuffer);
nsAutoString str(aStr);
nsCommentNode::SetText(const char* aBuffer,                       PRInt32 aLength,                       PRBool aNotify){  nsAutoString str; str.AssignWithConversion(aBuffer);  StripCommentDelimiters(str);  return mInner.SetText(this, str.GetUnicode(), str.Length(), aNotify);}