All reports of boolean-template-has-bogus-default for the archive. The extended description of this tag is:

The "boolean" type in a debconf template, can have only two values: true and false. The default has been set to something different.

Refer to Configuration management (Templates) and the debconf-devel(7) manual page for details.

Severity: important, Certainty: certain

Check: debconf, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.