m/^\{\{ chart\ label \|(\d+)\|(\d+)\| .*
(?: \<(?: big|center )\>)* \'+
(?: \[\[ | \{\{ )
- [^][\']* \| ([^][\'|]+)\ archipelago
+ [^][]* \| ([^][|]+)\ archipelago
(?: \]\] | \}\} )
\'+ (?: \<\/(?: big|center )\>)* \}\}$/xi) {
printf $debugfh "%2d,%-2d arch %s\n", $x,$y,$arch;