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Re: ID Characters (was: Re: 3.4. Global attributes)

From: Philip Taylor (Webmaster) <P.Taylor@Rhul.Ac.Uk>
Date: Tue, 31 Jul 2007 23:34:50 +0100
Message-ID: <46AFB90A.9080906@Rhul.Ac.Uk>
To: Jim Jewett <jimjjewett@gmail.com>
CC: public-html@w3.org

I do not understand one part of this :

Jim Jewett wrote:

> Authors wishing to write robust applications are advised to use a more
> restricted set of IDs.  While "1" and $^&" are technically valid
> identifiers, they will trigger bugs in some tools.  Therefore, authors
> SHOULD stick to ID characters from the ASCII digits [0-9] and one case
> of ASCII letters (either [a-z] or [A-Z]), and SHOULD ensure that the
> first character of each ID is a letter rather than a digit.

Which tool(s) is/are likely to manifest incorrect behaviour
if an author uses mixed case for an ID ?

Philip Taylor
Received on Tuesday, 31 July 2007 22:35:01 UTC

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