PMP source files may contain comments in several syntaxes:
Standard Pascal syntax:
"{" <Comment> "}" | "(*" <comment> "*)"
Delphi syntax (all characters until end of line is a comment):
"//" <Comment>
Ada & Jal syntax (all characters until end of line is a comment):
"--" <Comment>
They may appear on a line by themselves, or combined with program statements.