[plt-scheme] Do servlets run in parallel threads?

On 14/01/2008, Matthias Felleisen <matthias at ccs.neu.edu> wrote:
>
> Each servlet invocation runs in a separate thread. -- Matthias
>

Good, this tells me that each servlet invocation has it's own
parameters. Putting a sleep statement in my servlet and loading up
around 10 tabs of the site in Firefox suggests to me that the server
waits for one invocation to finish before starting a new one, though.
Is it guaranteed to do this?

    Henk Boom