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[racket] Web application question.

From: Harry Spier (vasishtha.spier at gmail.com)
Date: Mon Jan 16 19:39:17 EST 2012		 
Dear list members,

In "Continue Web applications in Racket" it gives this example of creating
dynamic webpages using quosiquotes:
; render-greeting: string -> response
; Consumes a name, and produces a dynamic response.
(define (render-greeting a-name)
(response/xexpr
`(html (head (title "Welcome"))
(body (p ,(string-append "Hello " a-name))))))

In "Web applications in Racket" it gives this example of creating dynamic
webpages using @syntax in a template:
"simple.html" contains:
------------------------------------------------------------------------
<html>
<head><title>Fastest @thing in the West!</title></head>
<body>
<h1>Bang!</h1>
<h2>Bang!</h2>
</body>
</html>
------------------------------------------------------------------

(let ([thing "Templates"])
    (include-template "simple.html"))
============================

Can someone tell me, is there some advantage or added funtionality in using
the @syntax in a template over the first example using quosiquotes?

Thanks in advance,
Harry Spier
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