1 1 9.52.2.1 Special Characters 1 ........................... 1 1 '#' and ';' are the line comment characters. Note that if '#' is the 1 first character on a line then it can also be a logical line number DONTPRINTYET 1 directive (⇒Comments) or a preprocessor control command (*note1DONTPRINTYET 1 directive (⇒Comments) or a preprocessor control command (⇒ Preprocessing). 1