Re: trace examples broken in master

[Julian Graham]

Hi Neil,

> It works for me with current Git and `,o interp #t'; full transcript
> below.  Note that this is even when all of the debugging infrastructure
> modules are auto-compiled; the only code that must _not_ be compiled,
> for that example to work, is the `rev' procedure.

I've cleared my .cache directory and just finished doing a build from
master.  My transcript now looks exactly like yours, except that, as
before, there's no trace output.  Anything else I need to set up
locally?