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Ulf Hermann authored
At least TagCurrentChanged can be triggered with a nullptr tag. That means the current tag is reset to "none". We should thus handle nullptr in all receivers of beginTagChange and endTagChange. Change-Id: Ife558beca9fb1ed5ab246b76bbaab19c1c227e8a Reviewed-by: Marco Benelli <marco.benelli@qt.io> Reviewed-by: Tomasz Olszak <olszak.tomasz@gmail.com>
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