Replace lexical-let by lexical-binding (except Gnus, CEDET, ERT).
* lisp/term/ns-win.el (ns-define-service):
* lisp/progmodes/pascal.el (pascal-goto-defun):
* lisp/progmodes/js.el (js--read-tab):
* lisp/progmodes/etags.el (tags-lazy-completion-table):
* lisp/emacs-lisp/syntax.el (syntax-propertize-via-font-lock):
* lisp/emacs-lisp/ewoc.el (ewoc--wrap):
* lisp/emacs-lisp/assoc.el (aput, adelete, amake):
* lisp/doc-view.el (doc-view-convert-current-doc):
* lisp/url/url.el (url-retrieve-synchronously):
* lisp/vc/diff.el (diff-no-select): Replace lexical-let by lexical-binding.
* lisp/files.el (file-name-base): New convenience function.
* lisp/autoinsert.el, lisp/cus-dep.el, lisp/doc-view.el, lisp/image-dired.el,
* lisp/woman.el, lisp/eshell/esh-cmd.el, lisp/progmodes/ada-xref.el,
* lisp/progmodes/cc-defs.el, lisp/progmodes/cperl-mode.el,
* lisp/progmodes/flymake.el, lisp/progmodes/gud.el, lisp/progmodes/idlwave.el,
* lisp/textmodes/ispell.el, lisp/textmodes/reftex-ref.el,
* lisp/textmodes/tex-mode.el: Use it.
Did not touch cedet and org because they are maintained elsewhere.
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.
New feature: set optimal slice from BoundingBox information.
* doc-view.el (doc-view-mode-map): Add keybinding.
(doc-view-menu): Add menu entry.
(doc-view-set-slice): Adapt docstring.
(doc-view-get-bounding-box, doc-view-guess-paper-size)
(doc-view-scale-bounding-box)
(doc-view-set-slice-from-bounding-box): New functions.
(doc-view-paper-sizes): New defvar.

* doc/emacs/misc.texi (DocView Slicing): Document new slice from
BoundingBox feature.
* lisp/doc-view.el (doc-view-guess-paper-size)
(doc-view-scale-bounding-box): Fix unbound `caddr'.
* doc-view.el (doc-view-display): Better fix for the cl-assertion
error.
* lisp/image-mode.el: Use lexical-binding.
(image-mode-winprops): Use t to stand for the window of a buffer that's
not displayed.
* lisp/doc-view.el (doc-view-new-window-function): Handle t in winprops.
(doc-view-enlarge): Make it a real nop if the size is not changed.
(doc-view-display): Handle the case where the buffer is not (yet?)
displayed in any window.
(doc-view-saved-settings): New var.
(doc-view-mode): Use it.
(doc-view-fallback-mode): Set it.
* doc-view.el (doc-view-current-cache-doc-pdf): New function.
(doc-view-doc->txt, doc-view-convert-current-doc): Use it.
(doc-view-get-bounding-box): Make bounding box slicing work for
ODF and DVI documents.
Update copyright notices for 2013.