* lisp/image/image-dired.el (image-dired-thumb-width)
(image-dired-thumb-height): Make obsolete.
(image-dired-thumb-size): Clean up and improve docstring.
* lisp/image/image-dired-external.el (image-dired-thumb-size): Use
'image-dired-thumb-size' instead of above obsolete variables.
(image-dired-create-thumb-1): Support %s format specifier for size.
(image-dired-cmd-create-thumbnail-options): Document %s format
specifier.
(image-dired--thumb-size): Rename function from
'image-dired-thumb-size' and make old name into an obsolete alias.
Update all callers.
* src/dispnew.c (update_frame_1): Don'f flush if tty's
output_buffer_size is non-zero.
* src/sysdep.c (init_sys_modes): Setvbuf depending on the tty's
output_buffer_size.
* src/term.c (Ftty__set_output_buffer_size, Ftty__output_buffer_size):
Low-level interface for setting and retrieving a tty's output buffer
size.
(syms_of_term): Defsubr the new functions.
* src/termchar.h (struct tty_display_info): New member
output_buffer_size.
* stc/NEWS: Describe the change.
* lisp/image/image-dired.el
(image-dired--file-name-regexp): New function.
(image-dired-display-thumbnail-original-image): Clean up.
(image-dired-display-image): Support visiting PDF files.
* lisp/image/image-dired-dired.el
(image-dired-dired-toggle-marked-thumbs):
* lisp/image/image-dired.el (image-dired-get-thumbnail-image)
(image-dired-show-all-from-dir): Use above new function instead of
'image-file-name-regexp'.
* lisp/outline.el (outline-open):
(outline-close): Add PBM images.
* etc/images/outline-open.pbm:
* etc/images/outline-close.pbm: New images used on systems
without librsvg.
* src/w32fns.c (Fw32_set_wallpaper): New primitive.
(syms_of_w32fns): Defsubr it.
(globals_of_w32fns): Attempt to load SystemParametersInfoW from
its DLL at run time.
* lisp/image/wallpaper.el (wallpaper-set): Support MS-Windows by
calling 'w32-set-wallpaper'.
* etc/NEWS: Update and simplify wording of the 'wallpaper-set'
entry.
* lisp/image-mode.el
(image-transform-original): Rename from this...
(image-transform-reset-to-original): ...to this. Make old name
into an obsolete function alias and update all callers.
(image-transform-reset): Rename from this...
(image-transform-reset-to-initial): ...to this. Make old name
into an obsolete function alias and update all callers.
(Bug#51451)
* doc/emacs/files.texi (Image Mode): Update for above change.
* lisp/image/wallpaper.el
(wallpaper--default-commands): New defvar.
(wallpaper--find-command): Use above new defvar.
(wallpaper--find-command-arguments): New defun.
(wallpaper-command): Rename from 'wallpaper-commands' and change
type to string. Use 'wallpaper--find-command' to set it.
(wallpaper-command-args): New defcustom. Use
'wallpaper--find-command-arguments' to set it.
(wallpaper--set-wallpaper-command): New defun. Use as :set property
for 'wallpaper-command'.
(wallpaper-set): Use above new defcustoms to set the wallpaper.
Suggested by Eli Zaretskii <eliz@gnu.org>.
* lisp/image/image-dired.el (wallpaper): Require.
(image-dired-set-wallpaper): New command.
(image-dired-thumbnail-mode-map): Bind above new command to "W".
* doc/emacs/maintaining.texi (VC Directory Commands): Change the
prefix key from "B" to "b". Replace vc-create-tag with vc-create-branch,
and vc-retrieve-tag with vc-switch-branch.
(Switching Branches): Mention vc-switch-branch bound to 'C-x v b s'.
(Creating Branches): Mention vc-create-branch bound to 'C-x v b c'.
* lisp/vc/vc-dir.el (vc-dir-mode-map): In branch keymap 'b' rebind
"c" from vc-create-tag to vc-create-branch, and "s" from
vc-retrieve-tag to vc-switch-branch.
* lisp/vc/vc.el (vc-create-branch): New command.
(vc-retrieve-tag): Add new optional arg 'branchp'.
(vc-switch-branch): New command (bug#50344).
* lisp/vc/vc-hooks.el (vc-prefix-map): Bind "b c" to vc-create-branch,
"b l" to vc-print-branch-log, "b s" to vc-switch-branch. Remove obsolete
and suppressed "b" from vc-switch-backend.
* lisp/vc/vc-dir.el (vc-dir-mode-map): Rebind 'branch-map' from "B" to "b"
for consistency with 'vc-prefix-map'.
* lisp/vc/vc-git.el (vc-git-create-tag): For a new branch read
its start-point. Ask a confirmation if modified files exist.
