There are two tags that if found at the start of a line turn it into a comment line:

*

An asterisk as the first character on a process statement line begins a printable comment line.

.*

A period-asterisk as the first two characters on a process statement line begins a comment that is not printed in the SuperC listing.

Compare Types: FILE, LINE, WORD, BYTE, and Search

>>-+-*----+--comment-------------------------------------------><
   '-.--*-'            

*

Must be in column 1.

.*

Must be in columns 1 and 2.