giles 4fe0b64965 HS: not precedence over or + truthy/falsy coercion (+3 tests) ...

parse-atom emitted (not (parse-expr)) which let or/and capture the whole
RHS before `not` could bind. Also emitted SX `not` which treats only nil/
false as falsy, so `not 0` returned false.

Fix: `not` now emits `(hs-falsy? (parse-atom))` — tight binding to the
following atom, and hyperscript-style truthy/falsy (0, "", nil, false, []).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-23 21:40:00 +00:00

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