jaketmp/ePub-quicklook — comment on commit 1e46722d55fe09f1f0abc4690d7c4b21082f0c38
File:  line 0
By jaketmp:

I don't think QL will ever run this code such that [... cover] would be called more than once without releasing and re-loading the entire epub, but I've added in a flag in fd1178c00b91624f5a248ce59e17dec97562c15d to handle this case in case.