DMDX Help.
Comment Keyword
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In addition to the
comment CR indicator
where any item that begins with a ! is ignored up until the item terminating
semi-colon (excepting for the purposes of scrambling where it counts as an item)
any keyword that begins with a ! is a comment and is ignored by the parsers till
it's closing bracket. Note no space is required after the ! unlike other
keywords. These comment keywords can occur anywhere a keyword is valid,
including as a CR indicator at the start of an item and if it is used there then
the item becomes a comment as if it had begun with a !.
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