Merge branch 'dr/doc-check-ref-format-normalize'

Doc update. * dr/doc-check-ref-format-normalize: git-check-ref-format: clarify documentation for --normalize

Junio C Hamano committed Feb 24, 2017 at 10:48 UTC c6788b1f45c6da1139570430b998028e3d2af590

No changes.