emacs-28 updated (e55e2d4 -> 28db295)

[Robert Pluim]

rpluim pushed a change to branch emacs-28.

      from  e55e2d4   ; * etc/NEWS: Minor copyedit about 'repeat-mode'.
       new  9bd2f59   Handle VS-16 correctly for non-emoji codepoints
       new  28db295   * admin/notes/unicode: Refer to Unicode's emoji-style.txt


Summary of changes:
 admin/notes/unicode         |  8 ++++++--
 admin/unidata/blocks.awk    | 26 ++------------------------
 admin/unidata/emoji-zwj.awk | 41 +++++++++++++++++++++++++++++++++++++++--
 lisp/composite.el           |  9 ++++++++-
 src/composite.c             | 11 +++++++++++
 src/font.c                  | 20 ++++++++++++++++++--
 6 files changed, 84 insertions(+), 31 deletions(-)