as: Visium Characters

 
 9.50.2.1 Special Characters
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 Line comments are introduced either by the '!' character or by the ';'
 character appearing anywhere on a line.
 
    A hash character ('#') as the first character on a line also marks
 the start of a line comment, but in this case it could also be a logical
 line number directive (SeeComments) or a preprocessor control
 command (SeePreprocessing).
 
    The Visium assembler does not currently support a line separator
 character.