Fix multiple entries allowed in crossref (issue #5284)#5724

Merged

koppor merged 7 commits intoJabRef:masterfrom Julien29121998:issue#5284

Dec 15, 2019

+28-10

Commits on Nov 26, 2019

Issue solved - but it's not clean and not tested
Julien29121998
committed

Commits on Dec 4, 2019

fixed and cleansed
Julien29121998
committed

Commits on Dec 9, 2019

Fix multiple entries allowed in crossref
Julien29121998
committed

Commits on Dec 11, 2019

Commits on Dec 13, 2019

Replaced the boolean with an enum arg
Julien29121998
committed

Commits on Dec 15, 2019

Replaced the boolean in Tagbar with a property
Julien29121998
committed