> PS If you want to match "quote" literally, add it to the list of literal
> identifiers of syntax-rules/syntax-case and write down a rule handling this
> (early).

Woo! Thanks for the suggestion! Adding a clause specifically for the
quoting cases never crossed my mind... I don't have any exhaustive
testing but the corner cases I thought of are working as expected now.
Still, having those 2 special cases is a bit ugly...

Also: just put the repo up online in case anyone wants to follow the
progress and/or contribute there: https://github.com/siiky/alist-let