Hi David,

You probably haven't imported the parenscript package; try (ps:at a b)
and see if that works.

Regards,
Jason

On Wed, 2022-12-14 at 15:16 -0500, David O'Toole wrote:
> Using the dot syntax for identifiers works (with a warning), but (@ a
> b) and (getprop a b) don't work, the functions are undefined. What am
> I doing wrong?