* Makefile.in (FIND_DELETE): New, set by configure.
(extraclean_dirs): Remove.
(extraclean): Make it just a small variation on maintainer-clean.
* admin/charsets/Makefile.in (extraclean):
* admin/grammars/Makefile.in (extraclean):
* admin/unidata/Makefile.in (extraclean):
* leim/Makefile.in (extraclean):
* lib-src/Makefile.in (extraclean):
* lisp/Makefile.in (extraclean):
* lwlib/Makefile.in (extraclean):
* nt/Makefile.in (extraclean):
* src/Makefile.in (extraclean): Remove target.
* lib/Makefile.in (extraclean): Merge into maintainer-clean.

These are generated files that were once kept in the repository.
When they were removed from the repository, as a half-way measure
they were only deleted by "extraclean", but this was never
necessary and was not a proper use of that rule.
* admin/charsets/Makefile.in (gen-clean): New phony target.
(maintainer-clean): Delete generated files.
* admin/grammars/Makefile.in (gen-clean): New phony target.
(maintainer-clean): Delete generated files.
* admin/unidata/Makefile.in (gen-clean): New phony target.
(maintainer-clean): Delete generated files.
* leim/Makefile.in (gen-clean): New phony target.
(maintainer-clean): Delete generated files.
* GNUmakefile: Doc fix.

* admin/charsets/mapfiles/README:
* doc/emacs/custom.texi (Saving Customizations):
* doc/lispintro/emacs-lisp-intro.texi (Simple Extension):
* doc/misc/efaq-w32.texi (Location of init file):
* doc/misc/gnus-faq.texi (FAQ 1-3):
* doc/misc/gnus.texi (Top, Various, Image Enhancements):
* lisp/erc/erc-menu.el (menu):
* lisp/progmodes/cfengine.el (cfengine-fill-paragraph):
Remove some references to Emacs 22 and earlier.

* doc/lispref/buffers.texi:
* doc/lispref/eval.texi:
* doc/lispref/files.texi:
* doc/lispref/keymaps.texi:
* doc/lispref/loading.texi:
* doc/lispref/minibuf.texi:
* doc/lispref/positions.texi:
* doc/lispref/variables.texi: Remove comments about "Emacs 19
specific" features.

* src/verbose.mk.in: New file.
* configure.ac (AM_V, AM_DEFAULT_V): Remove output variables.
(src/verbose.mk): New output file.
* Makefile.in, admin/charsets/Makefile.in:
* admin/grammars/Makefile.in, admin/unidata/Makefile.in:
* doc/emacs/Makefile.in, doc/lispintro/Makefile.in:
* doc/lispref/Makefile.in, doc/misc/Makefile.in, leim/Makefile.in:
* lib-src/Makefile.in, lib/Makefile.in, lisp/Makefile.in:
* lwlib/Makefile.in, nt/Makefile.in, oldXMenu/Makefile.in:
* src/Makefile.in, src/verbose.mk.in, test/Makefile.in:
Include src/verbose.mk rather than repeatedly defining AM_V_at etc.

* lisp/widget.el:
* lisp/w32-fns.el:
* lisp/textmodes/fill.el:
* lisp/term/common-win.el:
* lisp/scroll-bar.el:
* lisp/rfn-eshadow.el:
* lisp/menu-bar.el:
* lisp/language/tibetan.el:
* lisp/language/thai.el:
* lisp/language/misc-lang.el:
* lisp/language/lao.el:
* lisp/language/korean.el:
* lisp/language/japanese.el:
* lisp/language/indian.el:
* lisp/language/hebrew.el:
* lisp/language/european.el:
* lisp/language/ethiopic.el:
* lisp/language/english.el:
* lisp/language/cyrillic.el:
* lisp/language/chinese.el:
* lisp/jka-cmpr-hook.el:
* lisp/international/ucs-normalize.el:
* lisp/international/mule.el:
* lisp/international/mule-conf.el:
* lisp/international/iso-transl.el:
* lisp/international/fontset.el:
* lisp/international/characters.el:
* lisp/format.el:
* lisp/facemenu.el:
* lisp/electric.el:
* lisp/dos-w32.el:
* lisp/dos-fns.el:
* lisp/disp-table.el:
* lisp/cus-face.el:
* lisp/composite.el:
* lisp/bindings.el:
* admin/unidata/blocks.awk:
* admin/charsets/eucjp-ms.awk:
* admin/charsets/cp51932.awk: Use `lexical-binding`.

Run "TZ=UTC0 admin/update-copyright".

* admin/charsets/mule-charsets.el: Use lexical-binding.
(mule-charsets-header): Rename from 'header' to silence byte-compiler.

These were all tested and confirmed working.