rem: this.role = data.role; 
add: this.role = data.role || Membership.SUBSCRIBER; 
context: Membership.prototype.update = function(data) {   if (!data.role) {      throw Error(gettext("Please choose a role for this member."));   } else if (this.user === session.user) {      throw Error(gettext("Sorry, you are not allowed to edit your own membership."));   } else if (data.role !== this.role) {      this.role = data.role;      this.touch();      this.notify(req.action, this.creator.email,             gettext("Notification of membership change"));   }   return;};
meta: 993	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/993/3d0fae4302b944a61894fbad9cb3eb06f72984a3/Membership.js/clean/code/Membership/Membership.js