Happy Monday,
There are strange people who make such links (kindof urlencoded?):
[[Második világháború#Partrasz.C3.A1ll.C3.A1s Szic.C3.ADli.C3.A1ban
.28Huskey hadm.C5.B1velet.29|Huskey hadműveletben]]
So the section title must have been copied from the URL.
Do we have a ready tool to fix these?
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Bináris