/usr/share/freemat/help/text/isempty.mdc is in freemat-help 4.0-5.
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1 2 3 4 5 6 7 8 9 | ISEMPTY ISEMPTY Test For Variable Empty
Usage
The isempty function returns a boolean that indicates
if the argument variable is empty or not. The general
syntax for its use is
y = isempty(x).
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