message: tiny bit of de-lint for consistency
diff: @@ -243,7 +243,7 @@ function textForPowerEvent(event) {
  if (to !== from) {
  diff.push(
  _t('%(userId)s from %(fromPowerLevel)s to %(toPowerLevel)s', {
  - userId: userId,
  + userId,
  fromPowerLevel: Roles.textualPowerLevel(from, userDefault),
  toPowerLevel: Roles.textualPowerLevel(to, userDefault),
  }),
  @@ -254,7 +254,7 @@ function textForPowerEvent(event) {
  return '';
  }
  return _t('%(senderName)s changed the power level of %(powerLevelDiffText)s.', {
  - senderName: senderName,
  + senderName,
  powerLevelDiffText: diff.join(", "),
  });
  }
  