as: Alpha-Chars

 
 9.2.3.1 Special Characters
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 '#' is the line comment character.  Note that if '#' is the first
 character on a line then it can also be a logical line number directive
DONTPRINTYET  (SeeComments) or a preprocessor control command (*noteDONTPRINTYET  (SeeComments) or a preprocessor control command (See
 Preprocessing).
 
    ';' can be used instead of a newline to separate statements.