Method code for $root._all_defined_settings()

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  1: var a, all, d;
  2: 
  3: all = #[];
  4: for a in (ancestors()) {
  5:     catch any {
  6:         for d in (dict_keys(a.defined_settings()))
  7:             all = dict_add(all, d, a);
  8:     }
  9: }
 10: return all;

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