master updated (ca55e4d -> bd5b4b3)

[Glenn Morris]

gm pushed a change to branch master.

      from  ca55e4d   Make backslash characters no longer escape in `f90-mode'
      adds  86a2207   Bump Emacs version to 27.1.91
       new  b099f1d   ; Merge from origin/emacs-27
      adds  74a71c4   Update files for 27.1.91 pretest
       new  17f2be0   Merge from origin/emacs-27
      adds  9e45c29   (xref-revert-buffer): Also 'erase-buffer' when handling a 
user-error
       new  0d1e96a   ; Merge from origin/emacs-27
      adds  ca44ea1   Improve documentation of auto-resize-tool/tab-bars
      adds  9c75434   Fix build failure on macOS 10.7 (bug#46036)
       new  7e86357   Merge from origin/emacs-27
      adds  0bc4b00   ; emacs-26 → emacs-27
       new  1ef8d5e   ; Merge from origin/emacs-27
      adds  cbeda21   Sync latest SKK-JISYO.L
      adds  85b0137   * lisp/isearch.el (isearch-lazy-highlight): Fix defcustom 
type (bug#46208)
      adds  dc78f8a   url-http.el: Special-case NTLM authentication
      adds  7355209   * lisp/window.el (recenter-top-bottom): Clarify doc 
string.
       new  bd5b4b3   Merge from origin/emacs-27


Summary of changes:
 ChangeLog.3              | 1969 ++++++++++++++++++++++++++++++++++++++++++++++
 leim/SKK-DIC/SKK-JISYO.L |    4 +-
 lisp/isearch.el          |    3 +-
 lisp/url/url-http.el     |    6 +-
 lisp/window.el           |   17 +-
 src/nsfns.m              |    2 +-
 src/xdisp.c              |    6 +-
 7 files changed, 1992 insertions(+), 15 deletions(-)