master updated (6d74e75 -> 8968bf8)

[Glenn Morris]

gm pushed a change to branch master.

      from  6d74e75   ; Fix oddities in etc/NEWS
      adds  2750d97   Cut the emacs-28 release branch
       new  e50f5d5   ; Merge from origin/emacs-28
      adds  f060d1c   * lisp/dired.el (dired-omit-mode): Declare, to avoid 
compiler warning.
      adds  5c73dfc   * admin/release-branch.txt: New file.
      adds  86da812   Migrate Xref off EIEIO
      adds  205eb7f   ; s/class/type
      adds  88378ac   Rename arguments of ERC's '/whois' and simplify doc string
      adds  94c247d   ; Oops, fix up last commit
      adds  f733b90   * etc/TODO: Remove outdated item.  (Bug#50904)
      adds  7cf1229   ; * etc/TODO: Mention a relevant bug report.
      adds  d73f0e9   ; * etc/TODO: Move elpa.gnu.org items to the end.
      adds  879ef5b   * etc/TODO: Rearrange to start with "Simple tasks".
      adds  ad0798a   * etc/TODO: Add interactive mode tagging.
       new  823bc66   Merge from origin/emacs-28
      adds  35e6b8d   ; Auto-commit of loaddefs files.
       new  38ef6da   ; Merge from origin/emacs-28
      adds  5ee5a90   ; Fix oddities in etc/NEWS
       new  8968bf8   Merge from origin/emacs-28


Summary of changes:
 admin/release-branch.txt                |  75 ++++++++++++
 etc/NEWS.28                             |  65 ++++++-----
 etc/TODO                                | 198 ++++++++++++++++----------------
 lisp/dired.el                           |   1 +
 lisp/erc/erc.el                         |  30 +++--
 lisp/progmodes/etags.el                 |  37 +++---
 lisp/progmodes/xref.el                  | 158 +++++++++++--------------
 test/lisp/progmodes/elisp-mode-tests.el |  22 ++--
 8 files changed, 322 insertions(+), 264 deletions(-)
 create mode 100644 admin/release-branch.txt