Thankfully, this is not a catch. You see, the court has established that she is, so in effect the courts have established that she indeed meets the requirements of the law.
If they now claim she is not in a vegetative state, then of course they eliminate the justifications for their previous rulings allowing the feeding tube to be removed---and the feeding tube goes back in.
Either way, this bill works for Terri Schiavo, unless some Federal judge intervenes.
It's more than a catch - it could be the achilles heal of this legislative effort. How much do you want to bet the ACLU pro-death liberals will make this claim in their filings as soon as this law is enacted? They'll argue the other side of the coin and find a willing black-robe-wearing partner (in death).