rem: if (!this.isUserMember()) return false; else if (!this.members.get(user.name).isContributor()) return false; return true; 
add: if (user.uid && this.userMayContrib()) return true; else if (this.isUserMember() && this.members.get(user.name).isContributor()) return true; return false; 
context: function isUserContributor() {   if (!this.isUserMember())      return false;   else if (!this.members.get(user.name).isContributor())      return false;   return true;}
meta: 993	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/993/56a3c3085912cae227c1c50a5311b136f35d8c6f/securityFunctions.js/buggy/code/Site/securityFunctions.js