master updated (b6be1ce -> eb34c10)

[Glenn Morris]

gm pushed a change to branch master.

      from  b6be1ce   Update from Gnulib
      adds  cd6a9b8   Skip shell prompt on current line in Eshell even if it's 
protected
      adds  ac05466   Fix reference to 'message-send-and-exit' in Emacs manual
      adds  b410f90   Document 'message-send-mail-function' in the Emacs manual
      adds  2e39fc8   * doc/emacs/sending.texi (Mail Sending): Fix index 
entries.
      adds  d7c2233   Fix cursor-sensor--detect when current buf != selected 
window's buf
      adds  0273f26   Don't write absolute filenames and duplicate strings to 
CVS ignore files
      adds  2aed279   Warn about the likes of "[:alnum:]" in regexps
      adds  dd57564   Move more logic to vc-ignore from vc-default-ignore
       new  3f01a17   Merge from origin/emacs-27
      adds  aff8bca   * lisp/replace.el (occur-engine-line): Revert part of 
fb16313025 (bug#39597)
       new  4332964   ; Merge from origin/emacs-27
      adds  884b68c   CC Mode: Fontify foo in "const auto foo :" correctly
      adds  693749c   Java Mode: Fix fontification of variable decl inside `for'
      adds  ba7004b   Shorten some ppss struct field names
       new  eb34c10   Merge from origin/emacs-27


Summary of changes:
 doc/emacs/sending.texi           | 11 +++++---
 doc/lispref/searching.texi       |  9 +++++--
 etc/NEWS.27                      |  8 ++++++
 lisp/emacs-lisp/cursor-sensor.el |  7 ++---
 lisp/emacs-lisp/syntax.el        | 26 +++++++++---------
 lisp/eshell/em-prompt.el         |  2 +-
 lisp/progmodes/cc-engine.el      | 30 +++++++++++++++++----
 lisp/vc/pcvs.el                  |  4 +--
 lisp/vc/vc-cvs.el                | 45 ++++++++++++++++++++++---------
 lisp/vc/vc-dir.el                |  4 ++-
 lisp/vc/vc.el                    | 57 +++++++++++++++++++++-------------------
 11 files changed, 132 insertions(+), 71 deletions(-)