ref: 7a43f27b2a0c19c52f9245d244bf26f566a834c6
dir: /sys/src/cmd/hg/hg.proto/
rc - sys sys bin - sys sys hg - sys sys sys - sys sys man - sys sys 1 - sys sys hg - sys sys 8 - sys sys hgignore - sys sys hgrc - sys sys src - sys sys cmd - sys sys hg - sys sys + - sys sys