``` There was a copy-paste error in the null-checking mechanism. ``` Original issue reported on code.google.com by `tanel.tu...@gmail.com` on 7 Oct 2014 at 10:29 Attachments: - [EquiZip.cs.patch](https://storage.googleapis.com/google-code-attachments/morelinq/issue-94/comment-0/EquiZip.cs.patch)