  Token Parser::lex_identifier()
  {
    // we expect a simple identifier as the call name
    if (!lex< identifier >()) { // ToDo: pstate wrong?
      css_error("Invalid CSS", " after ", ": expected identifier, was ");
    }
    // return object
    return token;
  }
  Token Parser::lex_identifier()
  {
     
    if (!lex< identifier >()) {  
      css_error("Invalid CSS", " after ", ": expected identifier, was ");
    }
     
    return token;
  }