=over 8
-=for comment MAIL_EDITOR is undocumented (unstable, don't want naming conflicts)
-
=item GIT_EDITOR / VISUAL / EDITOR
+=for comment MAIL_EDITOR is undocumented (unstable, don't want naming conflicts)
+
public-inbox-edit will fall back to using one of these variables
(in that order) if C<publicinbox.mailEditor> is unset.