Run admin/update-copyright.

Fixes: debbugs:18782

* eshell/esh-ext.el (eshell-find-interpreter): Expand relative
remote file names.

* .gitignore: Merge contents of subsidiary files and organize the
result so as to avoid duplication.  Remove no-longer needed entries.
* admin/charsets/.gitignore, admin/unidata/.gitignore:
* doc/lispintro/.gitignore, etc/.gitignore, leim/.gitignore:
* leim/ja-dic/.gitignore, lib-src/.gitignore, lisp/.gitignore:
* lisp/calc/.gitignore, lisp/calendar/.gitignore:
* lisp/cedet/.gitignore, lisp/emulation/.gitignore:
* lisp/erc/.gitignore, lisp/eshell/.gitignore, lisp/gnus/.gitignore:
* lisp/international/.gitignore, lisp/language/.gitignore:
* lisp/leim/.gitignore, lisp/leim/quail/.gitignore:
* lisp/mail/.gitignore, lisp/mh-e/.gitignore, lisp/net/.gitignore:
* lisp/nxml/.gitignore, lisp/obsolete/.gitignore:
* lisp/play/.gitignore, lisp/progmodes/.gitignore:
* lisp/term/.gitignore, lisp/textmodes/.gitignore:
* lisp/url/.gitignore, nt/.gitignore, src/.gitignore:
Remove; no longer needed.

* doc/misc/org.texi (Dynamic blocks):
* lisp/allout-widgets.el (allout-widgets-hook-error-handler):
* lisp/calendar/appt.el (appt-display-message):
* lisp/calendar/icalendar.el (icalendar--convert-float-to-ical):
* lisp/calendar/timeclock.el (timeclock-in, timeclock-when-to-leave)
(timeclock-last-period, timeclock-day-base):
* lisp/eshell/em-ls.el (eshell-ls-file):
* lisp/eshell/esh-util.el (eshell-parse-ange-ls):
* lisp/generic-x.el (named-database-print-serial):
* lisp/net/newst-backend.el (newsticker--get-news-by-url-callback)
(newsticker-get-news, newsticker--sentinel-work)
(newsticker--image-get, newsticker--image-sentinel):
* lisp/net/tramp-sh.el (tramp-get-remote-touch):
* lisp/progmodes/opascal.el (opascal-debug-log):
* lisp/textmodes/remember.el (remember-mail-date)
(remember-store-in-files):
* lisp/vc/vc-annotate.el (vc-annotate-display-autoscale)
(vc-default-annotate-current-time):
* lisp/vc/vc-bzr.el (vc-bzr-shelve-snapshot):
* lisp/vc/vc-cvs.el (vc-cvs-annotate-current-time):
* lisp/vc/vc-rcs.el (vc-rcs-annotate-current-time):
* lisp/url/url-util.el (url-get-normalized-date):
* lisp/erc/erc-backend.el (TOPIC):
* lisp/gnus/gnus-delay.el (gnus-delay-article):
* lisp/gnus/gnus-sum.el (gnus-summary-read-document):
* lisp/gnus/gnus-util.el (gnus-seconds-today, gnus-seconds-month):
* lisp/gnus/message.el (message-make-expires-date):
* lisp/org/org-archive.el (org-archive-subtree)
(org-archive-to-archive-sibling):
* lisp/org/org-clock.el (org-resolve-clocks, org-clock-get-sum-start)
(org-clock-special-range):
* lisp/org/org-timer.el (org-timer-seconds):
* lisp/org/org.el (org-read-date-analyze, org-get-cursor-date):
* lisp/org/ox-html.el (org-html-format-spec):
* lisp/org/ox-icalendar.el (org-icalendar--vtodo):
Omit unnecessary call to current-time.
* lisp/calendar/time-date.el (time-to-seconds) [!float-time]:
* lisp/calendar/timeclock.el (timeclock-time-to-date):
* lisp/vc/vc-annotate.el (vc-annotate-convert-time):
Use current time if arg is nil, to be compatible with float-time.
(time-date--day-in-year): New function, with most of the guts of
the old time-to-day-in-year.
(time-to-day-in-year): Use it.
(time-to-days): Use it, to avoid decoding the same time stamp twice.
* lisp/calendar/timeclock.el (timeclock-update-mode-line):
* lisp/cedet/srecode/args.el (srecode-semantic-handle-:time):
* lisp/gnus/gnus-util.el (gnus-seconds-year):
* lisp/org/org.el (org-get-cursor-date):
Don't call current-time twice to get the current time stamp,
as this can lead to inconsistent results.
* lisp/completion.el (cmpl-hours-since-origin):
* lisp/erc/erc.el (erc-emacs-time-to-erc-time):
* lisp/ido.el (ido-time-stamp):
* lisp/vc/vc-annotate.el (vc-annotate-convert-time):
Simplify by using float-time.
* lisp/completion.el (save-completions-to-file):
* lisp/url/url-cache.el (url-cache-prune-cache):
Rename local var to avoid confusion.
* lisp/gnus/gnus-util.el (gnus-float-time):
* lisp/net/rcirc.el (rcirc-float-time):
* lisp/org/org-compat.el (org-float-time):
Simplify to an alias because time-to-seconds now behaves like float-time
with respect to nil arg.
* lisp/subr.el (progress-reporter-do-update):
Don't call float-time unless needed.
* lisp/erc/erc.el (erc-current-time): Simplify by using erc-emacs-time-to-erc-time.
* lisp/org/org-clock.el (org-clock-get-table-data): Omit unnecessary, lossy
conversion from floating point to Emacs time and back.
(org-resolve-clocks): Prefer two-argument floor.

* lisp/frame.el (gui-method, gui-method-define, gui-method-declare)
(gui-call): New macros.
(gui-method--name): New function.
(frame-creation-function-alist): Use gui-method-declare.
(make-frame): Use gui-method.
* lisp/select.el (gui-select-enable-clipboard): Rename from
x-select-enable-clipboard and move here.
(x-select-enable-clipboard): Define as obsolete alias.
(gui-last-selected-text): New var, to replace x-last-selected-text.
(gui-select-text): New GUI method.
(gui-select-text): New function.
(x-select-text): Define as obsolete alias.
* lisp/term/common-win.el (x-select-enable-clipboard, x-select-text):
Move to select.el.
* lisp/simple.el (interprogram-cut-function): Change default to
x-select-text.
(interprogram-paste-function): Change default to `ignore'.
* lisp/w32-common-fns.el (interprogram-cut-function): Don't modify.
* lisp/term/x-win.el (interprogram-cut-function): Don't modify.
(gui-select-text): Add method for x.
* lisp/term/w32-win.el (gui-select-text): Add method for w32.
* lisp/term/pc-win.el (x-last-selected-text): Remove, use
gui-last-selected-text instead.
(msdos-initialize-window-system): Don't set interprogram-cut-function.
(gui-select-text): Add method for pc.
* lisp/term/ns-win.el (ns-last-selected-text): Remove, use
gui-last-selected-text instead.
(gui-select-text): Add method for ns.
(x-setup-function-keys): Don't change interprogram-cut-function.
* lisp/loadup.el ("startup"): Load after "frame".
* lisp/subr.el (package--builtin-versions, package--description-file):
Move from startup.el.
* lisp/startup.el (package--builtin-versions, package--description-file):
Move to subr.el.
(handle-args-function-alist, window-system-initialization-alist):
Use gui-method-declare.
(command-line): Use gui-method.
* src/xselect.c (selection-converter-alist): Fix docstring.

Except where we expect to backport the corresponding change.

* lisp/eshell/em-smart.el (eshell-smart-scroll-window): Use
with-selected-window.

* lisp/subr.el (with-file-modes): New macro.

* lisp/printing.el (pr-save-file-modes):
* lisp/eshell/esh-util.el (eshell-with-file-modes): Make obsolete.

* lisp/emacs-lisp/lisp-mode.el (lisp-el-font-lock-keywords-2):
Add with-file-modes.

* lisp/doc-view.el (doc-view-make-safe-dir):
* lisp/epg.el (epg--start):
* lisp/files.el (locate-user-emacs-file, make-temp-file)
(backup-buffer-copy, move-file-to-trash):
* printing.el (pr-despool-print, pr-call-process, pr-text2ps):
* eshell/esh-util.el (eshell-with-private-file-modes)
(eshell-make-private-directory):
* lisp/net/browse-url.el (browse-url-mosaic):
* lisp/obsolete/mailpost.el (post-mail-send-it):
* lisp/obsolete/pgg-pgp.el (pgg-pgp-verify-region):
* lisp/obsolete/pgg-pgp5.el (pgg-pgp5-verify-region):
* lisp/url/url-util.el (url-make-private-file):
Use with-file-modes.

* doc/lispref/files.texi (Changing Files): Mention with-file-modes.

* etc/NEWS: Mention this.