{ 'name': 'Header Rule Set'
, 'description': 'Simple rules about HTML headers.'
, 'rules':
  [
  //---
  { 'id': 4121501
  , 'name': 'Disallow Empty Headers'
  , 'description': 'Heading elements should contain text.'
  , 'rule': function() {
    fiveui.query(':header').each(function(ix, elt) {
      if ($(elt).text() == '') {
        report('Heading does not contain text', elt);
      }
    });
  }
  }//,
  //---
  ]
}