----- Original Message ----- From: "Martijn Pieters" <[EMAIL PROTECTED]>
To: "Alexander Limi" <[EMAIL PROTECTED]>
Cc: <zope-dev@zope.org>
Sent: Monday, April 07, 2008 4:39 AM
Subject: Re: [Zope-dev] Non-ASCII characters in URLs


On Mon, Apr 7, 2008 at 1:37 AM, Alexander Limi <[EMAIL PROTECTED]> wrote:
Is there a good technical explanation for why Zope doesn't allow non-ASCII
characters in URLs?

Because URLs don't allow non-ASCII characters?

 I'd like to be able to let URLs work like this example from Wikipedia:

 http://ja.wikipedia.org/wiki/メインページ

Your browser translates that into
http://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8

Is there a fundamental reason (ie. Python objects can only be ASCII) or is
it simply bugs that need to be fixed?

RFC 1738 (http://www.ietf.org/rfc/rfc1738.txt) doesn't allow non-ascii
characters in URLs.

  No corresponding graphic US-ASCII:

  URLs are written only with the graphic printable characters of the
  US-ASCII coded character set. The octets 80-FF hexadecimal are not
  used in US-ASCII, and the octets 00-1F and 7F hexadecimal represent
  control characters; these must be encoded.

Now, Zope could well support UTF-8 ids, and translate URLs
appropriately, but in the meantime you could use the same scheme?

IDNA (http://www.ietf.org/rfc/rfc3490.txt) and Punycode (http://www.faqs.org/rfcs/rfc3492.html) may be of some use.

Jonathan


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