> i.e. the same as for the 0x1E and 0x1F blocks used by older
> Hauppauge-supplied remote controls.
Not quite. This new 0x1D block has only 35 buttons, whereas the 0x1E variant currently in the kernel has 45 buttons. But it doesn't matter: the new remote just won't work without the 0x1D block.
Cheers,
Chris