* lisp/select.el: Use lexical-binding.
(gui-set-selection): Provide an implementation for non-GUI frames.
* lisp/term/x-win.el: Use lexical-binding.
(x-clipboard-yank): Fix up missed renamings.
* lisp/term/w32-win.el (libgif-version, libjpeg-version): Silence compiler.
(w32--set-selection): Fix up var names.
* lisp/term/pc-win.el: Use lexical-binding.
(w16-selection-exists-p): Silence compiler warning.
(w16-selection-owner-p): Fix up missed renamings.

* lisp/emacs-lisp/bytecomp.el (byte-compile-form): Remove left-over debug.

* lisp/frame.el (frame-notice-user-settings): Fix excessive quoting.