$cookie:a[ $.value[a-value] $.expires[^date::create(2003;2;26)] ] $cookie:b[ $.value[b-value] $.expires[^date::create(2003;2;20)] ] $cookie:s[ $.value[session-value] $.expires[session] ] ^try{ $cookie:z[ $.value[zzz-value] $.expires[zzz] ] }{ $exception.handled(true) mustfail, it's OK.
} ^cookie:fields.foreach[k;v]{${k}: '$v.value'}[
^#0A]