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Subject: Re: [office] IRI vs URI Discussion Today (2010-09-13)

On Mon, 2010-09-13 at 09:00 -0600, Dennis E. Hamilton wrote:
> It is conceivable (and permissible) that IRI references
> "abc" and "a%62c" resolve to different resources (since they are different
> URIs).   

According to my reading of RFC 2396, this may not be correct. "%62" is
the escaped encoding (in the sense of RFC 2396 2.4.1) of the character
b.  Note specifically in 2.4.2: 
Because the percent "%" character always has the reserved purpose of
being the escape indicator, it must be escaped as "%25" in order to
be used as data within a URI.

[That doesn't really mean that everybody does this right. A little test
showed me that firefox does not consider them the same in the  <first>
part of the URI but the Apache server accessed seems to be happy with it
in the <second> portion of the URI.)

Andreas J. Guelzow
Concordia University College of Alberta

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