With the help of Charles and Axel, I was able to track down the
compiler settings problems that were preventing
Acme SAC binaries compiled under 10.5 to work on other versions of OS
X. I uploaded a new package to the
Google Code project page that has been verified to work on 10.5, 10.4, and 10.3:
My apologies for the bumps in the road to a working Esc key.