Merge branch 'jc/doc-checkout' into maint

Doc update. * jc/doc-checkout: checkout doc: clarify command line args for "checkout paths" mode

Junio C Hamano committed Oct 18, 2017 at 14:19 UTC 4e4a0c6e794f1f37ba7fa65e5e774b9d6c168afc

No changes.