Why can't node IDs start with a number?

<subs-9vHHI2gO/[email protected]> Wed, 11 Jan 2006 10:30:56 -0800

Newsgroups	gmane.comp.lib.binarycloud.devel
Message-ID	<[email protected]>

Hi,

According to Node.php, node IDs must match /^[a-zA-Z_][a-zA-Z0-9_]*$/.
Is there a particular reason why they cannot start with a number? I
can't see anywhere that the IDs need to conform to PHP function/method
naming rules, unless I've missed something obvious.

Cheers,
Ben


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