Function: remove-if-not
remove-if-not is a for cl-remove-if-not, defined in
cl-seq.el.gz.
This function is obsolete since 27.1; use cl-remove-if-not instead.
Signature
(remove-if-not PREDICATE SEQ [KEYWORD VALUE]...)
Documentation
Remove all items not satisfying PREDICATE in SEQ.
This is a non-destructive function; it makes a copy of SEQ if necessary to avoid corrupting the original SEQ.
Keywords supported: :key :count :start :end :from-end
Aliases
remove-if-not (obsolete since 27.1)
org-remove-if-not (obsolete since 9.0)