I think it is actually in Guile. Even though there are not parens in sight, this is a whitespace-based syntax for Scheme.
I don't have a reference at hand now, but I vaguely remember such a comment from the FOSDEM presentation.
I don't have a reference at hand now, but I vaguely remember such a comment from the FOSDEM presentation.
https://git.savannah.gnu.org/cgit/gwl.git/tree/gwl/sugar.scm https://srfi.schemers.org/srfi-119/srfi-119.html