Merge from origin/emacs-28

9419bc904d ; * lisp/printing.el: Delete outdated download instructions.
31af0f4eb7 Don't list Emacs as requirement for built-in package
ae348b719e Fix wrong metrics for bitmap-only fonts with HarfBuzz 5

diff --cc doc/misc/htmlfontify.texi
Simple merge

diff --cc lisp/printing.el
Simple merge

diff --cc src/ftcrfont.c
Simple merge