t / t5100 / msg0004on commit diff.c: factor advance_or_nullify out of mark_color_as_moved (e2fe6ab)
   1Hello.
   2
   3Try all addresses for given remote name until it succeeds.
   4Also supports IPv6.
   5
   6Signed-of-by: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
   7