svoid gazelle_fakery_processInput_multi(TreeMap<S> sections, O... _) {
  ErrorCounter errorCounter = optPar errorCounter(_, new ErrorCounter);
  for (fS key : startingWithIC(keys(sections), "test input")) errorCounter.run(key, r {
    LS inputLines = tlft(sections.get(key));
    S expectedOutput = sections.get(replaceIC(key, "test input", "expected output"));
    S expectedTempFacts = sections.get(replaceIC(key, "test input", "expected temporary facts"));
    print("\nPROCESSING: " + key + "\n");
    temporaryFacts.clear();
    
    new LS lines;
    for i over inputLines: {
      S input = inputLines.get(i);
      S user = leadingSquareBracketStuff(input);
      input = dropActuallyLeadingSquareBracketStuff(input);
      gazelle_gatherFulfillments(ll(nu GazelleLine(text := input, extras := litmap(+user))), fulfillments, debug := true);
      L<GazelleTree> l = dm_gazelle_reasonAboutChatInput_v2(user, input, paramsPlus(_,
        preContext := subList(inputLines, 0, i),
        requiredComment := null, debug := true));
      print("Got " + n2(l, "child", "children") + " with line types: " + collect lineType(l));
      for (GazelleTree t : l) {
        if (eq(t.lineType, "temporary fact"))
          temporaryFacts.add(printWithIndent("TEMP FACT> ", t.line));
        else
          lines.add(printWithIndent("OUT> ", t.line));
      }
    }
  
    assertEqualsVerbose(lines, tlft(expectedOutput));
    assertEqualsVerbose(asList(temporaryFacts), tlft(expectedTempFacts));
  });
  errorCounter.print();
}

Began life as a copy of #1021763