//!include once #1021761 // Fakery

svoid gazelle_fakery_gatherRulesFromSections(TreeMap<S> sections) {
  gazelle_fakery_clean();
  for (S ruleID, ruleText : keysStartingWith(sections, "rule")) {
    new LS comments;
    LS lines = tlft(ruleText);
    while (isSquareBracketed(last(lines)))
      comments.add(deSquareBracket(popLast(lines)));
    int out = -1;
    for i over lines: {
      S s = lines.get(i);
      PairS p = splitTrailingSquareBracketStuff(s);
      if (startsWith(s, "=>")) out = i;
      if (nempty(p.b))
        comments.add(
          (i >= out ? i == l(lines)-1 ? "out" : "out " + (i-out+1) : "in " + (i+1))
          + " = " + p.b);
      lines.set(i, p.a);
    }
    rules.add(t3(lines(lines), lines(comments), ruleID));
  }
}