Resolve "undefined index notice for database entries with empty 'publication_type'" (!19) · Merge requests · RDP INF / sfb-literature · GitLab

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Luca Freckmann requested to merge 16-undefined-index-notice-for-database-entries-with-empty-publication_type into 7.x-1.x May 15, 2018

Closes #16

empty or NULL publication_types are changed to 'unknown'