1 1 9.49.2.1 Special Characters 1 ........................... 1 1 '#' is the line comment character. If a '#' appears as the first 1 character of a line, the whole line is treated as a comment, but in this 11 case the line can also be a logical line number directive (⇒ Comments) or a preprocessor control command (⇒Preprocessing). 1 1 Two dashes ('--') can also be used to start a line comment. 1 1 The ';' character can be used to separate statements on the same 1 line. 1