Neal Alexander

@tizoc SP does the same thing. This thread talks about it a bit https://groups.google.com/forum/#!topic/qilang/xE67c7o7zkk It's unclear how it should best be handled, but the way it is now isn't so...

@tizoc Not sure how SP handles this now, but I think the best choice is to either modify 'return' or create a variant which converts unbound pvars to normal variables...

mm-add-classes also lets you specify functions, instead of regexp, for the front/back parameters. As you mentioned, the block reader needs to be aware of the language context inside the at-exp...

> I noticed that, I just doubt an independent back matcher function could work reliably. I think it would need to be the "handler" option they mention, that parses the...

@doug719 shen-scheme works natively on the racket fork of Chez on Apple M1 and the performance is quite good. https://github.com/racket/racket/tree/master/racket/src/ChezScheme