Paste: inconsistent resolve-host?

( scratchpad ) "localhost" 0 <inet> resolve-host
{
    T{ inet6 { host "0:0:0:0:0:0:0:1" } { port 0 } }
    T{ inet6 { host "fe80:0:0:0:0:0:0:1" } { port 0 } }
    T{ inet4 { host "127.0.0.1" } { port 0 } }
}

( scratchpad ) "localhost" 0 <inet4> resolve-host .
{ T{ inet4 { host "localhost" } { port 0 } } }

( scratchpad ) "localhost" 0 <inet6> resolve-host .
{ T{ inet6 { host "localhost" } { port 0 } } }