Merge branch 'pe/doc-email-env-is-trumped-by-config' into maint

* pe/doc-email-env-is-trumped-by-config: git-commit-tree(1): correct description of defaults

Junio C Hamano committed Jan 28, 2013 at 11:12 UTC a94214b75e2e763d27a85f91066ad90f291206fc

No changes.