Sankore/Sankore-3.1 — comment on commit 6e80911b95e7a91f9a1f2adfa8da11a1c23da4be
File:  line 0
By shibakaneki:

Sometimes, for an unknown reason, Safari provides wrong mime datas during the drop. On our side it results on an empty mime data and because of that it is not possible to get the dropped file.