Implement disabled text for RIP.
We still need to pass ANSI through to the parser though because Synchronet goes apeshit if it doesn't get a response to a location request... it tries twice and eats any data it receives that isn't a valid position report, which obviously breaks menus. It's also very weird that on Booch's BBS at least it's sent during the main menu display rather than just on answering. Not sure why this is, but it means we can't implement the RIP requirement of "ignoring all non-RIPscrip bytes" with a zero window without digging deep into Synchronet guts.
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