you can use a file synchronization algorithm. here's one I did for JSON: http://blog.mozilla.com/rob-sayre/2008/02/15/restful-partial-updates/ http://blog.mozi

you can use a file synchronization algorithm. here's one I did for JSON: http://blog.mozilla.com/rob-sayre/2008/02/15/restful-partial-updates/ http://blog.mozilla.com/rob-sayre/2008/02/15/restful-partial... It works well except when array elements move around (that works, it's just unintuitive)