/usr/share/freemat/help/text/ischar.mdc is in freemat-help 4.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | ISCHAR ISCHAR Test For Character Array (string)
Usage
The syntax for ischar is
x = ischar(y)
and it returns a logical 1 if the argument is a string
and a logical 0 otherwise.
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