master updated (0f4fa00 -> 215d9fc)

[Glenn Morris]

gm pushed a change to branch master.

      from  0f4fa00   Remove references to obsolete libraries
      adds  6c08a43   ; Fix wording of a comment.
      adds  f07a470   Declare the ftx font backend driver obsolete
      adds  2be4860   * admin/notes/font-backend: Remove outdated file. 
(Bug#34663)
      adds  55803cc   Move shell-related menu items to "Shell Commands" submenu 
(bug#37594)
      adds  3b0d1a5   f90: handle F2008 module function
      adds  23b87db   ; Unmaintain fortran elisp
      adds  caf0006   Mention GTK font chooser changes in NEWS
      adds  5505bab   Describe --with-cairo non-support for bitmapped fonts.
      adds  91cac24   ; etc/NEWS minor edits
      adds  13995f3   Make emacs prefer an existing ~/.emacs.d to an existing 
XDG location
      adds  e4cec1f   ; * etc/NEWS: Fix some file name quotations.
      adds  52080b5   * lisp/minibuffer.el (read-file-name-default): Fix 
bug#39057
       new  215d9fc   Merge from origin/emacs-27


Summary of changes:
 doc/emacs/custom.texi            |  45 ++++++++------
 etc/NEWS.27                      | 129 ++++++++++++++++++++++-----------------
 lib-src/emacsclient.c            |  17 +++---
 lisp/menu-bar.el                 |  33 +++++++---
 lisp/minibuffer.el               |   9 ++-
 lisp/progmodes/f90.el            |  19 ++++--
 lisp/progmodes/fortran.el        |   2 +-
 lisp/startup.el                  |  42 ++++++-------
 nt/inc/ms-w32.h                  |   4 +-
 test/lisp/progmodes/f90-tests.el |  20 ++++++
 10 files changed, 200 insertions(+), 120 deletions(-)