Yep that's working ok.  Though I'm losing the ability to send capital letters to X11 in general, I'm not sure if that's an artifact of this or not.

Dave

On Fri, Jun 27, 2008 at 8:31 AM, Russ Cox <rsc@swtch.com> wrote:
It looks like calling fork() in OS X 10.5 doesn't
copy the alternate signal stack information into
the child.  If you add the -F flag to keep it from
forking into the background, Andrey says it
works fine.

I'll tweak the code to work around this later.
For now, just use -F.

Russ