Boolean values: Difference between revisions

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Test for the boolean value of a string can be stuff like
Test for the boolean value of a string can be stuff like


if {string is false $string} ...
if {[string is false $string]} ...


which will test for "no" or "NO" or "0" or "False" or ...
which will test for "no" or "NO" or "0" or "False" or ...