}
var nusage = {};
-
+ var usage_left = {};
for(var par in usage) {
// see if the parent can be added to something.
if (!canTop(par)) {
}
for(var dupe in usage) {
- if (usage[par].join(',') == usage[dupe].join(',')) {
+ if (usage[par].join(',') == usage[dupe].join(',') &&
+ typeof(nusage[par]) != 'undefined') {
usage_left[par] = dupe;
+ break;
}
}
- if (typeof(usage_left[par])) {
+ if (typeof(usage_left[par]) != 'undefined') {
continue;
}
nusage[par] = usage[par];