patch 8.2.3257: calling prop_find() with -1 for ID gives errornous error Commit: https://github.com/vim/vim/commit/8e3fc135e884a30620fb1c6e84986fae1467acd3 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 31 18:33:57 2021 +0200 patch 8.2.3257: calling prop_find() with -1 for ID gives errornous error Problem: Calling prop_find() with -1 for ID gives errornous error. (Naohiro Ono) Solution: When passing -1 use -2. (closes #8674)