Merge from origin/emacs-27

2af6b3147d Clarification in Tramp manual
8fbaca7d41 Check Emacs version used for Tramp compilation
90e5549f02 Don't signal an error when saving files on WdebDAV volumes
6f73cc3579 ; * lisp/net/eww.el (eww-search-words): Doc fix.
ce0842a165 * lisp/hi-lock.el (hi-lock-find-patterns): Autoload it.  (...

diff --cc doc/misc/tramp.texi
Simple merge

diff --cc lisp/hi-lock.el
Simple merge

diff --cc lisp/net/eww.el
Simple merge

diff --cc lisp/net/tramp-compat.el
index 218594b551cc9faaa9093a143e1fc8b4af7f6469,b7a7cc4f00362d1f1bbdd1e35bf84fdde0e87b56..c554a8d0c2d766fd2a4675203f2c90092141fe77
--- 1/lisp/net/tramp-compat.el
--- 2/lisp/net/tramp-compat.el
+++ b/lisp/net/tramp-compat.el
@@@ -43,8 -43,15 +43,16 @@@
  
  ;; `temporary-file-directory' as function is introduced with Emacs 26.1.
  (declare-function tramp-handle-temporary-file-directory "tramp")
 +(defvar tramp-temp-name-prefix)
  
+ (defconst tramp-compat-emacs-compiled-version (eval-when-compile emacs-version)
+   "The Emacs version used for compilation.")
+ 
+ (unless (= emacs-major-version
+          (car (version-to-list tramp-compat-emacs-compiled-version)))
+   (warn "Tramp has been compiled with Emacs %s, this is Emacs %s"
+       tramp-compat-emacs-compiled-version emacs-version))
+ 
  ;; For not existing functions, obsolete functions, or functions with a
  ;; changed argument list, there are compiler warnings.  We want to
  ;; avoid them in cases we know what we do.

diff --cc src/w32.c
Simple merge