* lisp/image-dired.el (image-dired-thumb-mark): Use DarkOrange as
background to better match the 'dired-marked' face.
(image-dired-show-all-from-dir): Disable all marks when entering a
full directory.
(image-dired-unmark-all-marks): Add mode tag.
(image-dired-thumbnail-mode-map): Bind 'image-dired-unmark-all-marks'
to "U".
* lisp/image-dired.el
(image-dired--on-file-in-dired-buffer): New macro.
(image-dired-mark-thumb-original-file)
(image-dired-unmark-thumb-original-file)
(image-dired-flag-thumb-original-file)
(image-dired-toggle-mark-thumb-original-file): Rewrite using
above new macro.
(image-dired-modify-mark-on-thumb-original-file): Make obsolete in
favor of above new macro.
* lisp/image-dired.el (image-dired-forward-image): Support negative
prefix argument. Optionally wrap-around, which means to continue from
first image after reaching the last one and vice versa.
(image-dired-backward-image): Reimplement in terms of
'image-dired-forward-image'.
(image-dired-display-next-thumbnail-original)
(image-dired-display-previous-thumbnail-original): Wrap around; when
reaching the last image, continue from the first one. Add optional
prefix argument to move more than one image at a time.
* lisp/image-dired.el (image-dired-thumbnail-mode-map)
(image-dired-display-image-mode-map, image-dired-minor-mode-map):
Move menu definitions from here...
(image-dired-thumbnail-mode-menu)
(image-dired-display-image-mode-menu)
(image-dired-minor-mode-menu): ...to these new top level
definitions.
* lisp/emacs-lisp/byte-opt.el (byte-optimize-cond):
Optimise clause-free `cond`, which can arise from earlier
transformations. This enables further optimisations.
* test/lisp/emacs-lisp/bytecomp-tests.el (bytecomp-tests--test-cases):
Add test cases.
* etc/images/down.svg:
* etc/images/left.svg:
* etc/images/right.svg:
* etc/images/up.svg: Don't define foreground; this means they will use
the foreground of the currently defined face instead. (Bug#51556)
* lisp/emacs-lisp/tabulated-list.el (tabulated-list-print-col):
Support using an image descriptor to insert an image in a column.
(tabulated-list-entries):
* doc/lispref/modes.texi (Tabulated List Mode): Update documentation
to reflect above change.
* lisp/help.el (help--describe-command): Don't do any indentation.
(describe-map): Store data about each section.
(describe-map--align-section): New function to do indentation on a
per-block basis.
(describe-map--fill-columns): Helper function.
* lisp/help.el (help--describe-translation): Make obsolete.
(help--describe-command): Take an optional parameter to output key
translations.
(describe-map): Make optional parameters optional.
* lisp/help-mode.el (help-make-xrefs): Don't add buttons to
keymaps, because they're pre-buttonized.
* lisp/help.el (help--describe-command): Make buttons out of the
definitions.
* doc/lispref/files.texi (File Attributes): Document it.
* lisp/files.el (file-has-changed-p): New function.
(file-has-changed-p--hash-table): Internal variable used by the
new function (bug#51523).
* lisp/emacs-lisp/shortdoc.el (file): Mention it.
* lisp/net/mailcap.el (mailcap-parse-mailcaps): Read mailcaps again
only when at least one of the mailcap files has changed. Fixes
bug#51523.
