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Wed, 8 Jun 2022 12:05:06 -0500
In section 3.5.3 Shell Parameter Expansion:
In the sixth paragraph it correctly states that "Bash tests for a parameter
that is unset *or* null" when you use the colon. It later attempts to
restate this but fails by saying "if the colon is included, the operator
tests for both parameter's existence *and* that its value is not null"
This caused me quite some consternation, but only for about a minute. Not
an emergency to fix, but would be best if it was fixed at some point,
especially since it should be easy.
Hope I helped!
- Documentation Error,