Fixes: debbugs:20202

* lisp/net/tramp-sh.el (tramp-remote-process-environment):
* lisp/comint.el (comint-exec-1):
* lisp/term.el (term-exec-1): Don't set EMACS envvar.
* lisp/progmodes/compile.el (compilation-start): Same and bring
INSIDE_EMACS's format in line with other users.

* lisp/window.el (window-adjust-process-window-size-function): New
customizable variable.
(window-adjust-process-window-size)
(window-adjust-process-window-size-smallest)
(window-adjust-process-window-size-largest)
(window--process-window-list, window--adjust-process-windows):
New functions.
(window-configuration-change-hook): Add
`window--adjust-process-windows'.
* lisp/term.el (term-mode): Observe result of
`window-adjust-process-window-size-function'.
(term-check-size): Delete.

Run admin/update-copyright.

* term.el (term-window-width): Subtract 1 from the width when
any fringe has zero width, not just the right fringe.  (Bug#18601)

* lisp/select.el (gui-get-selection-alist): New method.
(gui-get-selection): Use it.  Rename from x-get-selection.
(x-get-selection): Define as obsolete alias.
(x-get-clipboard): Mark obsolete.
(gui-get-primary-selection): New function.
(x-get-selection-value): Mark obsolete.
(gui-own-selection-alist, gui-disown-selection-alist)
(gui-selection-owner-p-alist): New methods.
(gui-set-selection): Use them.  Rename from x-set-selection.
(x-set-selection): Define as obsolete alias.
(gui--valid-simple-selection-p): Rename from
x-valid-simple-selection-p.
* lisp/w32-common-fns.el (gui-own-selection, gui-disown-selection)
(gui-selection-owner-p, gui-get-selection): Define for w32.
(w32-get-selection-value): Rename from x-get-selection-value.
Use the new gui-last-selected-text.
* lisp/term/x-win.el (x-get-selection-value): Remove.
(x-clipboard-yank): Declare obsolete.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for x.
* lisp/term/w32-win.el (w32-win-suspend-error): Rename from
x-win-suspend-error.
* lisp/term/pc-win.el (w16-get-selection-value): Rename from
x-get-selection-value.
(w16-selection-owner-p): Rename from x-selection-owner-p.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for pc.
(w16--select-text): New function.
* lisp/term/ns-win.el (gui-own-selection, gui-disown-selection)
(gui-get-selection, gui-selection-owner-p): Define for ns.
* lisp/term.el (term-mouse-paste):
* lisp/mouse.el (mouse-yank-primary): Use gui-get-primary-selection.
* src/nsselect.m (ns-own-selection-internal, ns-disown-selection-internal):
Rename from the "x-" prefix.

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

* lisp/emacs-lisp/ert.el (ert--insert-infos):
* lisp/obsolete/vi.el (vi-set-mark):
* lisp/term.el (term-handle-scroll):
* lisp/textmodes/bibtex.el (bibtex-fill-field, bibtex-fill-entry):
* lisp/gnus/gnus-sum.el (gnus-summary-edit-article-done):
* lisp/org/org-mouse.el (org-mouse-do-remotely):
* lisp/wid-edit.el (widget-editable-list-value-create): Prefer
point-marker to copy-marker of point.
* lisp/ob-core.el (org-babel-insert-result): Prefer point-min-marker
and point-max-marker.

mouse binding as well.
(completion-list-mode, completion-setup-function): Adjust docstring and
echo area message accordingly.
* lisp/progmodes/idlwave.el (idlwave-choose-completion): Adjust to new
calling convention of choose-completion.
* lisp/comint.el (comint-dynamic-list-completions):
* lisp/term.el (term-dynamic-list-completions): Accept choose-completion.

Fixes: debbugs:17302