code: private void syntaxError(String msg, int index) {
  		// FIXME: this is clearly not a sensible approach
  		throw new SyntacticException(msg, entry, new ConfigFile.Attribute.Span(null,index,index));
  
  	}
docs: Raise a syntax error with a given message at given index.
  
  @param msg
  --- message to raise.
  @param index
  --- index position to associate the error with.