Am Mo., 20. Juli 2020 um 19:06 Uhr schrieb John Cowan <xxxxxx@ccil.org>:
>
> Looks to me like it should be a SRFI just as it stands, with only the usual amount of reformatting.

https://srfi.schemers.org/srfi-148/srfi-148.html#em-symbol?

Why do we need a second SRFI for that?

Also, note that some of Oleg's code needs a few tweaks so that the
macros also work in macro expanding contexts. This is at least true
for id-eq?? (which becomes em-bound-identifier? in SRFI 148).