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Subject: Re: [PHP-DEV] <?xml tags (was PDM Meeting Notes)
From: pollita@php.net ("Sara Golemon")

> I recall this being discussed before, but not what came of it: is there
> a problem with just ignoring <?foo where foo is anything other than php
> or =? <?foo or <?bar or <?whatever is a parse error anyway so I very
> much doubt there's any BC break. Unless someone's program relies on
> parse errors.
>
The problem there becomes legacy support for:

<?foo();?>

And before you say "just watch for parens" there's also:

<?foo::bar();?>

and a much more insiduous example:

<?die ?>

no semicolon, no parens, no paamayim nekudotayim, nothing but a perfectly 
valid looking PI tag.

-Sara