The recent fix to handle utf8 in the JSON output is the kind of bug
I'd never like to see again, (so that I'd like the test suite to be
helping us track that).
+Start testing --format=json.
+
Achieve 100% test coverage with the test suite.
Modularize test suite (to be able to run individual tests).
Achieve 100% test coverage with the test suite.
Modularize test suite (to be able to run individual tests).