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static L<GazelleTree> gazelle_getChildren_withContinuations(GazelleTree tree, O... _) {
  L<GazelleTree> l = gazelle_getChildren(tree, _);
  
  new Matches m;
  bool changes = false;
  for i over l: {
    GazelleTree t = l.get(i);
    if (eq(l.lineType, 'instruction) && match("continue with line * of rule * without variables", t.line, m)) {
    S ruleID = $2;
    RuleEngine2.Rule rule = t.ctx.engine.getRule(ruleID);
    if (rule == null) {
      print("Follow-up rule not found: " + ruleID);
      continue with l.remove(i--);
    }
    
    set changes;
    t.mr.rule = rule;
    t.mr.iCond = parseInt($1)-1;
    // TODO: remainingConditions?
    
    if (!t.mr.moreConditions()) {
      t.line = rule.out;
      t.lineType = rule.outType;
    }

    gazelle_addPredictionToTreeNode(t);
  }

  if (changes) gazelle_sortChildren(l);
  ret l;
}