 We look up 'ident' in the assoc-list, and bind it to the found value, unless
 the latter is #f.
 If the lookup fails, the defaultvalue is used.
</pre><p><br>

<h4><a name='docfunc26928' href='#tocfunc26928'>http-transaction</a></h4>
(define (http-transaction req-method req-url req-parms response-handler)<i><br> ... <a href='#codefunc26928'>Full Code</a> ... )</i>
<pre> The body of the function. 
 The function is written as a collection of mutually-recursive
 procedures that implement a transactional FSM.
<