Sam Tobin-Hochstadt

I've pushed that revised change to #201, then I'll look into the test failure there.

The test failure is in `tests/stepper/automatic-tests.rkt`. @jbclements or maybe @mikesperber, do you know why this might be happening? Here is the output. ``` [samth@huor:~/.../extra-pkgs/htdp/htdp-test (master) plt] xvfb-run raco test tests/stepper/automatic-tests.rkt...

Does that fix the problem in #200? I would still like to actually do the right thing here, which I assume involves changing the stepper to cope with this change.

It's trying to avoid figuring out the specification for things like `third` from its source, both for performance and accuracy reasons. But also contracts are analyzed directly without trying to...

Consider this another user who would find this option valuable. Perhaps we need to bring this up with the PACMPL editorial board, though.

@mflatt might have an idea about what could be different here about `find-executable-path` on Windows/Mac.

I'm not particularly worried about 6.3, since that was released quite a while ago.

Can you spawn a thread that kills the sound on stop? It seems like this ought to be already possible in DrRacket. @rfindler, any thoughts?

How worried should I be about the "experimental" label? How thoroughly tested is this? In general I definitely want to have this functionality available by default; just want to make...

@Dashed can you turn that into a pull request? That would probably make it easiest for @greghendershott.