mind.
. `git-commit-tree` (hence, `git-commit` which uses it) issues
- an warning if the commit log message given to it does not look
+ a warning if the commit log message given to it does not look
like a valid UTF-8 string, unless you explicitly say your
project uses a legacy encoding. The way to say this is to
have i18n.commitencoding in `.git/config` file, like this: