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To: "Hollenbeck, Scott" <shollenbeck@verisign.com>
cc: "'ietf-provreg@cafax.se'" <ietf-provreg@cafax.se>
From: Sheer El-Showk <sheer@saraf.com>
Date: Tue, 18 Dec 2001 09:56:38 -0500 (EST)
In-Reply-To: <3CD14E451751BD42BA48AAA50B07BAD6C5FD68@vsvapostal3.prod.netsol.com>
Sender: owner-ietf-provreg@cafax.se
Subject: Re: Empty Text Elements

How would you then unset a value for an optional field?

Sheer

On Tue, 18 Dec 2001, Hollenbeck, Scott wrote:

> One more fix to discuss based on a comment I received some time ago...
>
> Several text elements in different schemas can currently be sent empty, like
> this:
>
> <org></org>
>
> This might be confusing or worse to a client or server that fails to account
> for the fact that elements can be empty.  If it would help make things more
> robust, the definitions for such elements can be changed to ensure that the
> elements contain at least one character.  The definition for the type behind
> the <org> element above could be changed from this:
>
>   <simpleType name="postalLineType">
>      <restriction base="normalizedString">
>        <maxLength value="255"/>
>      </restriction>
>   </simpleType>
>
> to this:
>
>   <simpleType name="postalLineType">
>      <restriction base="normalizedString">
>        <minLength value="1"/>
>        <maxLength value="255"/>
>      </restriction>
>   </simpleType>
>
> and the parser would ensure that empty elements don't get through.  Would
> that be a helpful change?
>
> -Scott-
>


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