> What purpose does this export block have? Java, lisp and octave code is
> generated uner /msg - is the intention to move the cpp code under /msg
> at some point, and this is designed to allow that?
>
>
It's just the opposite actually, they used to get generated into the msg
directory and require that export block, but in cturtle they generate into
msg_gen and the export block is no longer necessary.

I updated the tutorial to mention this.

Josh.