scope dm_gazelle_addRuleWithComment.

static new ThreadLocal<S> #msg;
static new ThreadLocal<Bool> #renderWithoutComments;
static new ThreadLocal<Bool> #noInfoBox;

// returns (ruleID, isNew)
static Pair<S, Bool> dm_gazelle_addRuleWithComment(S text, S comment) {
  Pair<S, Bool> p = cast quickImport(dm_call(dm_gazelle_rulesModule(), 'addRuleWithComment, text, comment));
  S rendered = newLinesToSpaces_trim(text);
  if (nempty(comment) && !isTrue(renderWithoutComments))
    rendered += " [comments: " + joinLinesWithComma(comment) + "]";
  S _msg = setTLAndReturn(msg, p.b ? "Rule " + p.a + " added: " + rendered : "Rule already there: " + p.a + " - " + rendered);
  if (!boolPar(noInfoBox)) infoBox(_msg);
  ret p;
}

static Pair<S, Bool> dm_gazelle_addRuleWithComment(S when, S then, S comment) {
  ret dm_gazelle_addRuleWithComment(when + "\n=> " + then, comment);
}

end scope

Began life as a copy of #1021459