Well - I'd go a bit further. Use of $gnu combined with the function name and location is also fairly clever in that a casual glance will just appear to be some

Well - I'd go a bit further. Use of $gnu combined with the function name and location is also fairly clever in that a casual glance will just appear to be some gnu/gpl-related code in the copyright file -- not at all out of place. It won't pass any real scrutiny, but it does help it to slip under the radar if someone isn't paying close attention.