{{ $byday := "" }}
    {{ $bymonth := "" }}
    {{ partial "debug" (dict "context" . "filename" "index.html") }}
    {{ range $rrule := split "RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10" ";" }}
        {{ if in . "BYDAY" }}<br>
            {{ $byday = index (split . "=") 1 }}
        {{ end }}
        {{ if in . "BYMONTH" }}<br>
            {{ $bymonth = index (split . "=") 1 }}
        {{ end }}
    {{ end }}
    {{ $byday }}<br>
    {{ $bymonth }}<br>