docs: function getVariables(spec_c, parent) {
    var spec_js = {};
    var vars = _.find(getChildren(spec_c, 'sectiondef'), function(section) {
      var kind = getAttr(section, 'kind');
      return (kind == 'public-attrib');
    });
    if (vars) {
      _.each(_.filter(vars.children, function(variable) {
        return (getAttr(variable, 'kind') == 'variable');
      }), function(variable) {
        var varName = getText(getChild(variable, 'name'), 'name');
        var varType = getType(getText(getChild(variable, 'type')), parent);
        var varDescription = getText(getChild(variable, 'detaileddescription'));
        spec_js[varName] = {
          type: varType,
          description: varDescription
        }
      });
    }
    return spec_js;
  }