patch 8.2.3777: spell file write error not checked Commit: https://github.com/vim/vim/commit/1daedc838126bf6fe30221192cfe36aa1b56b454 Author: =?UTF-8?q?Bj=C3=B6rn=20Linse?= <bjorn.linse@gmail.com> Date: Fri Dec 10 20:39:17 2021 +0000 patch 8.2.3777: spell file write error not checked Problem: Spell file write error not checked. Solution: Check writing the prefix conditions. (Bjorn Linse, closes https://github.com/vim/vim/issues/9323)