tree e763b403a014cb0e208c6ff6037312d63b0bc3b2
parent ed3cc3aa81603c33d1ab6ec12837d3675ff328d5
author Marc Kupietz <kupietz@ids-mannheim.de> 1714367303 +0200
committer Marc Kupietz <kupietz@ids-mannheim.de> 1714367987 +0200

Distinguish between idno, isbn and dnbidno

The ePUB file names can now be both, internal DNB IDs or ISBN numbers.
Distinguish here properly.