Haketilo

 * Function: Instantiate the Pattern Tree data structure, filled with mappings

 *           from IndexedDB.

 *

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

	pqt.register(tree, object.pattern, "~allow", object.allow + 0);

    }

    const id = kind === "mappings" ? object.identifier : object.pattern;

    currently_registered.set(id, object);

}

function changed(kind, change) {

	    pqt.deregister(tree, change.key, "~allow");

	}

	currently_registered.delete(change.key);

    }

    if (change.new_val !== undefined)