Merge from origin/emacs-29

0ec9a02a0d5 ; Fix doc strings of two scroll-bar functions.
2f8bccf9d8c ; * doc/emacs/frames.texi (Scroll Bars): Improve formatting.
f9832e80b89 ; * lisp/textmodes/ispell.el (ispell-message): Add commen...
a7d247be90c ; * etc/PROBLEMS: Document macOS problems with Emacs.clr ...
8560ee7b5ca ; * doc/misc/auth.texi (The Unix password store): Fix var...
74c6b59af15 ; Advertise scroll bars some more
3d65d4306b9 Avoid errors in 'image-dired-tag-thumbnail'

diff --cc doc/emacs/display.texi
Simple merge

diff --cc doc/emacs/frames.texi
Simple merge

diff --cc etc/PROBLEMS
Simple merge

diff --cc lisp/image/image-dired.el
Simple merge

diff --cc lisp/textmodes/ispell.el
Simple merge