Currently, there is a note in the optional dataset theme, that this could point to an open formal norm. This will need to be changed in the following way:
Add support for multiple URL value "Specification"/"Specifikace", which in the notes will mention that this should be used for open formal norms.
Remove the mention from the optional theme (which should, otherwise, stay).
Currently, there is a note in the optional dataset theme, that this could point to an open formal norm. This will need to be changed in the following way: