Thanks for adding the entry to the errata. It was fun finding the bug in my version: I forgot to /unfreeze/ (call) the function that represents the branches of the `if' statement. I used DrRacket's visual tools—the stepper, the tracer and the debugger—to figure the issue.
Not only that, but I used that find a nasty, nasty bug I introduced while (mistakenly) copying the `subst' meta-function from the book. I was able to go through 3 chapters before finding out that I wrote `X_3' in place of a `X_2'. That was a hard one, it drove me crazy for an hour :) And, of course, DrRacket was indispensable! Best. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
