Subject: [bug#42958] [PATCH core-updates 09/29] gnu: openjpeg: Update package definition.

From: Danny Milosavljevic <[email-masked]>
Date: Thu, 20 Aug 2020 18:45:46 +0200

openjpeg-data is not in guix core-updates yet, but it's in guix master.

guix master commit 3f03bd372871a95e2ebb50197172f7a95329feed added openjpeg-data.