[racket] comments requested from users of SXML and PLT xexprs

From: Neil Van Dyke (neil at neilvandyke.org)
Date: Tue Dec 21 09:20:47 EST 2010

Noel Welsh wrote at 12/21/2010 09:06 AM:
> On Tue, Dec 21, 2010 at 1:52 PM, Neil Van Dyke <neil at neilvandyke.org> wrote:
>> Note that the special syntax of the template library does not and will never permit extraneous nesting in the static (Racket syntax) portions of the template.  Extraneous nesting is a convenience for dynamic parts.
> Can you expand on this template library. I'm not sure what you're referring to here, but I'm interested.

Heh, "expand on this template". :)

I mentioned an old version of this library a long time ago, and I think 
Untyped released something similar.

Here's a simple example, which doesn't demonstrate all the features:

    (html (head (title "Foo & Bar"))
          (body (h1 (*value* essay-title))
                (p "Bunnies are nice." (br) "Yep."))))

expands to:

  (begin (display "<html><head><title>Foo &amp; 
          (write-html essay-title)
          (display "</h1><p>Bunnies are nice.<br />Yep.</p></body></html>"))

Compared to the traditional dynamic lists with SXML and xexprs, it's 
easier and less error-prone to code, more static checking is possible, 
and plausibly better run-time performance.

I've been refining the language in 4 new libraries, as one library 
informs another.


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