master updated (96ac514 -> c86a302)

[Ken Brown]

kbrow1i pushed a change to branch master.

      from  96ac514   Re-fix the new mouse event logic in outline
      adds  7e15ee5   ; * doc/emacs/help.texi (Help Mode): Improve indexing.
      adds  6ba4e3b   Drop support for native compilation on 32-bit Cygwin
       new  c86a302   Merge from origin/emacs-28


Summary of changes:
 configure.ac        | 11 +++++++++++
 doc/emacs/help.texi | 10 ++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)