Seitenhistorie

•  Re-do slugs.
  
•  Enter the whole Basisklassifikation.

•  Metadata field for rights holders.
•  Episode metadata field for licenses.
•  Image metadata field for rights holders.
•  Image metadata field for licenses.
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  Taxonomy for licenses.

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  Add metadata fields for venues.

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  Add a taxonomy for venues.

Episode metadata is validated.

•  Make Basisklassifikation required unless the podcast is already classified.
•  Limit the number of Basisklassifikation terms to three.
•  Limit the number of keywords to N.
  
•  Discuss the proper value of N with librarians.
•  Require users to declare copyright holders and usage rights.
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  Talks in Philosophical Fragments are also filed under talks in general.

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  Improve semester validation.

•  If no speaker is entered, create/use a speaker based on the current user.

•  Per-podcast postring privilege are implemented.

•  Translate field descriptions into German (either in code or using https://www.advancedcustomfields.com/resources/multilingual-custom-fields/)
•  Translate validation errors into German.