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Re: Feedback on draft-gregorio-uritemplate-00

From: Sam Ruby <rubys@intertwingly.net>
Date: Fri, 06 Oct 2006 22:52:10 -0400
Message-ID: <4527165A.8020300@intertwingly.net>
To: Mark Nottingham <mnot@mnot.net>
CC: uri@w3.org

Mark Nottingham wrote:
> +1 to dropping component spanning and doing percent-encoding during 
> substitution, as well as UTF-8.
> However, this will require that the data model for the input to 
> substitution be formalized more, as others have pointed out -- which I 
> think is a good thing.

I disagree.

> Consider:
> a = "foo/bar"
> http://www.example.com/{a}
> http://www.example.com/foo?path={a}
> The first will need the '/' escaped; the second will not.
> So, the input data model needs to be something like:
> {'a': ('foo/bar', PATH_SEGMENT)}
> In practice, this might mean that particular uses of templates will need 
> to specify the types of their variables.

Here, I disagree on two levels.

First, I will note that this argument is based solely on the difference 
in the templates -- your example does different things with the SAME 
inputs.  What you seem to be arguing instead is that each part of a URL, 
e.g. the path info, the query, etc., has a different set of reserved 
characters that must be quoted.

Second, if the specification follows the recommendation that you give in 
this example, you actually surprise many.  I would suspect that most 
would see that template and assume that they can pass in a path, and 
find out that if the results are served statically by a server such as 
Apache HTTPD, paths won't quite work as expected.

- Sam Ruby
Received on Saturday, 7 October 2006 02:52:22 UTC

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