58   $ hg up 0

    58   $ hg up 0

    59   0 files updated, 0 files merged, 1 files removed, 0 files unresolved

    59   0 files updated, 0 files merged, 1 files removed, 0 files unresolved

    60   $ mkcommit C0

    60   $ mkcommit C0

    61   created new head

    61   created new head

    62   $ hg debugobsolete --record-parents `getid "desc(B0)"`

    62   $ hg debugobsolete --record-parents `getid "desc(B0)"`

    63   obsoleted 1 changesets

    64   obsoleted 1 changesets

    64   $ hg log -G --hidden

    65   $ hg log -G --hidden

    65   @  0f88766e02d6 (draft): C0

    66   @  0f88766e02d6 (draft): C0

    66   |

    67   |

    67   | x  d73caddc5533 (draft): B0

    68   | x  d73caddc5533 (draft): B0