2025-09-15, 2134h

(local forms [{:id :1234
:aliases [:container]
:additive-conditions [
:acts [:receive :remove]
:contents []
:receive [:fn [:self :item]
[:call :foo](:call-:foo.md)]
:remove [:fn [:self :item :?destination]
[:call :foo](:call-:foo.md)]},
{:id :4321
:aliases [:backpack]
:bases [:container]
:acts ])

: unknown:5:33: Parse error: expected whitespace before opening delimiter [ : : * Try adding whitespace.