nsubst-if-not

nsubst-if-not is an alias for `cl-nsubst-if-not' in `cl.el'.

(nsubst-if-not NEW PREDICATE TREE [KEYWORD VALUE]...)

Substitute NEW for elements not matching PREDICATE in TREE (destructively).
Any element of TREE which matches is changed to NEW (via a call to `setcar').

Keywords supported: :key