such as (bug#4699).
* simple.el (completion-base-position): New var.
(completion-base-size): Mark as obsolete.
(choose-completion): Make it work for mouse events as well.
Pass the new base-position to choose-completion-string.
(choose-completion-guess-base-position): New function, extracted from
choose-completion-delete-max-match.
(choose-completion-delete-max-match): Use it. Make obsolete.
(choose-completion-string): Use the new base-position info.
(completion-root-regexp): Delete.
(completion-setup-function): Preserve completion-base-position.
Eliminate obsolete base-size manipulation.
* minibuffer.el (display-completion-list): Don't mess with base-size.
(minibuffer-completion-help): Set completion-base-position instead.
* mouse.el (mouse-choose-completion): Redefine as a mere alias to
choose-completion.
* textmodes/bibtex.el (bibtex-complete):
* emacs-lisp/crm.el (crm--choose-completion-string):
Adjust to new calling convention.
* complete.el (partial-completion-mode): Use minibufferp to avoid
bumping into incompatible change to choose-completion-string-functions.
* ido.el (ido-choose-completion-string): Make its calling convention
more permissive.
* comint.el (comint-dynamic-list-input-ring-select): Remove obsolete
base-size manipulation.
(comint-dynamic-list-input-ring): Use dotimes and push.
* iswitchb.el (iswitchb-completion-help): Remove dead-code call to
fundamental-mode. Use `or'.
* mouse.el (mouse-drag-track): Call deactivate-mark earlier.
(mouse-yank-at-click): If select-active-regions is non-nil,
deactivate the mark before insertion.
* simple.el (deactivate-mark, set-mark): Only save selection if we
own it.
(set-mark): Use deactivate-mark.
* info.el (Info-search): No need to check transient-mark-mode
before calling deactivate-mark.
* select.el (x-set-selection): Doc fix.
(x-valid-simple-selection-p): Allow buffer values.
(xselect--selection-bounds): Handle buffer values. Suggested by
David De La Harpe Golden.
* mouse.el (mouse-set-region, mouse-drag-track): Call
copy-region-as-kill before setting the mark, to let
select-active-regions work.
* simple.el (deactivate-mark): If select-active-regions is
non-nil, copy the selection data into a string.
(activate-mark): If select-active-regions is non-nil, set the
selection to the current buffer.
(set-mark): Update selection if select-active-regions is non-nil.
* select.el (x-valid-simple-selection-p): Allow buffer values.
mouse-major-mode-menu.
(mouse-menu-bar-map): New fun extracted from mouse-popup-menubar.
(mouse-major-mode-menu, mouse-popup-menubar)
(mouse-popup-menubar-stuff): Use them.
(C-down-mouse-3): Bind to a dynamic map rather than to
mouse-popup-menubar-stuff.
* bindings.el (mode-line-major-mode-keymap): Bind down-mouse-1
to mouse-menu-major-mode-map rather than to mouse-major-mode-menu.
* mouse.el (mouse-menu-non-singleton): Use it.
(mouse-major-mode-menu): Remove hack made unnecessary.
* keymap.c (Qkeymap_canonicalize): New var.
(Fmap_keymap_internal): New fun.
(describe_map): Use keymap-canonicalize.
* emacs-lisp/bytecomp.el (byte-compile-from-buffer): Move one more
form inside with-current-buffer.
* progmodes/antlr-mode.el (provide): Move to the end of file.
(require): Don't require font-lock and compile.
(outline-level, imenu-use-markers, imenu-create-index-function):
Move declarations to top level.
(cond-emacs-xemacs-macfn): Declare for compiler.
* vc-bzr.el (vc-bzr-root):
* vc-arch.el (vc-arch-root): Only set a property if the file is
managed by this backend.
* vc-hg.el (vc-hg-state): Support the new status code for
up-to-date.
