register-immutable-system -> (setf system-mutable-p)

[Attila Lendvai]

> the export entry in the package was not renamed, it still exports
> REGISTER-IMMUTABLE-SYSTEM.

damn, a dirty tree with my own unrecorded changes confused me.

ignore this mail and sorry for the noise!

-- 
• attila lendvai
• PGP: 963F 5D5F 45C7 DFCD 0A39
--
“If a politician found he had cannibals among his constituents, he
would promise them missionaries for dinner.”
	— H.L. Mencken (1880–1956)