From: Petter Reinholdtsen <pere@hungry.com>
Date: Sat, 1 Jan 2022 13:07:11 +0000 (+0100)
Subject: Set category to unknown for exercises without category.
X-Git-Url: https://pere.pagekite.me/gitweb/text-smell-og-bang-hauge.git/commitdiff_plain/011878980f95868aa11993486cea6959a290bf2c?hp=011878980f95868aa11993486cea6959a290bf2c

Set category to unknown for exercises without category.
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