GitLab

* alloc.c (allocate_misc): Change to static.  Add argument to
specify the subtype.  Adjust comment and users.
(build_overlay): New function.
* buffer.c (copy_overlays, Fmake_overlay): Use it.
* lisp.h (struct Lisp_Overlay): Remove obsolete comment.
(allocate_misc): Remove prototype.
(build_overlay): Add prototype.