Cause an empty list to be handled as ‘no children’ case as well

kitodo / kitodo-ugh

Kitodo.UGH Library

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Cause an empty list to be handled as ‘no children’ case as well #57

Closed matthias-ronge closed 7 years ago

matthias-ronge commented 7 years ago

Bug fix for bug #58

Usually, if there are no children, children is null. However, if reading from XStream, there may also be an empty list object stored in the XStream file, which has the same semantics.