Migrating Web Apps Fom R5 to R6

We are upgrading from R5 to R6. As a notes developer what things should I take care of to make sure that my existing notes R5 application (client and web) work without any errors when the servers are updraded?

Thanks

Subject: Migrating Web Apps Fom R5 to R6

Watch out for query_string. This no longer works in doing a lot of searches. Instead, rely on ‘query_string_decoded’