Use set-temporary-overlay-map.
* lisp/repeat.el: Use lexical-binding.
(repeat-last-self-insert, repeat-num-input-keys-at-self-insert)
(repeat-undo-count): Remove.
(repeat):
* lisp/progmodes/octave-mod.el (octave-abbrev-start):
* lisp/progmodes/f90.el (f90-abbrev-start):
* lisp/face-remap.el (text-scale-adjust):
* lisp/kmacro.el (kmacro-call-macro): Use set-temporary-overlay-map.
Doc improvements for face remapping.

* face-remap.el (face-remap-add-relative, face-remap-set-base)
(buffer-face-set, buffer-face-toggle, buffer-face-mode-invoke):
Doc fixes.

* doc/lispref/display.texi (Face Remapping): Minor clarification.

* doc/lispref/text.texi (Special Properties): Clarify the meaning of a
list of faces in the `face' property.
Spelling fixes.
Reduce use of (require 'cl).
* admin/bzrmerge.el: Use cl-lib.
* leim/quail/hangul.el: Don't require CL.
* leim/quail/ipa.el: Use cl-lib.
* vc/smerge-mode.el, vc/pcvs.el, vc/pcvs-util.el, vc/pcvs-info.el:
* vc/diff-mode.el, vc/cvs-status.el, uniquify.el, scroll-bar.el:
* register.el, progmodes/sh-script.el, net/gnutls.el, net/dbus.el:
* msb.el, mpc.el, minibuffer.el, international/ucs-normalize.el:
* international/quail.el, info-xref.el, imenu.el, image-mode.el:
* font-lock.el, filesets.el, edmacro.el, doc-view.el, bookmark.el:
* battery.el, avoid.el, abbrev.el: Use cl-lib.
* vc/pcvs-parse.el, vc/pcvs-defs.el, vc/log-view.el, vc/log-edit.el:
* vc/diff.el, simple.el, pcomplete.el, lpr.el, comint.el, loadhist.el:
* jit-lock.el, international/iso-ascii.el, info.el, frame.el, bs.el:
* emulation/crisp.el, electric.el, dired.el, cus-dep.el, composite.el:
* calculator.el, autorevert.el, apropos.el: Don't require CL.
* emacs-bytecomp.el (byte-recompile-directory, display-call-tree)
(byte-compile-unfold-bcf, byte-compile-check-variable):
* emacs-byte-opt.el (byte-compile-trueconstp)
(byte-compile-nilconstp):
* emacs-autoload.el (make-autoload): Use pcase.
* face-remap.el (text-scale-adjust): Simplify pcase patterns.
* lisp/face-remap.el: Use lexical-binding.
(text-scale-adjust): Improve docstring.  Use itself for the temporary
overlay-map bindings, so as to repeat the "Use..." message each time.
Manage face-remapping-alist properly in face-remap-add-relative.

* face-remap.el (face-remap-add-relative): Handle the case where a
face-remapping-alist entry is a cons cell.
Update copyright notices for 2013.