I wrote a package based on this documentation completeness utility <http://docs.racket-lang.org/rackunit/Testing_Utilities.html> for examining and testing module docs. Currently it only works with symbolic module names, full docs can be found once the package server builds them. Package is named "doc-coverage", repo is here <https://github.com/jackfirth/doc-coverage>.
Running the tests locally aren't very useful however because you have to re-install the package on your machine anytime you change its exports for the tests, but it works fantastically with CI tools.
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