> Common-Lisp as a specification doesn't require garbage collection. It doesn't mention it. Practically GC is required and almost all implementations provide o

> Common-Lisp as a specification doesn't require garbage collection. It doesn't mention it. Practically GC is required and almost all implementations provide one or more versions of garbage collection. Additionally there are small language subsets with manual memory management. There are/were some Lisps with reference-counting-like memory management.