Merge branch 'js/doc-symref-in-proto-v1'

Doc update. * js/doc-symref-in-proto-v1: protocol-capabilities.txt: document symref

Junio C Hamano committed Mar 7, 2019 at 09:59 UTC 47e1019efd3a2977d1d92a3644817b0712d5d259

No changes.