Merge from origin/emacs-28

a6905e90cc Fix problem with temp buffer killing in package-install-file
144ad77fda Fix Lisp Intro markup error
24b86cb4f7 Fix ACL errors with WebDAV volumes on MS-Windows

doc/lispintro/emacs-lisp-intro.texi

@@ -5818,7 +5818,7 @@ written like this:
 @subsection The @code{let} Expression in @code{insert-buffer}
 
 After ensuring that the variable @code{buffer} refers to a buffer itself
-and not just to the name of a buffer, the @code{insert-buffer function}
+and not just to the name of a buffer, the @code{insert-buffer} function
 continues with a @code{let} expression.  This specifies three local
 variables, @code{start}, @code{end}, and @code{newmark} and binds them
 to the initial value @code{nil}.  These variables are used inside the

lisp/emacs-lisp/package.el

@@ -2202,6 +2202,7 @@ directory."
           (dired-mode))
       (insert-file-contents-literally file)
       (set-visited-file-name file)
+      (set-buffer-modified-p nil)
       (when (string-match "\\.tar\\'" file) (tar-mode)))
     (package-install-from-buffer)))
 

src/w32.c

@@ -6548,7 +6548,8 @@ acl_get_file (const char *fname, acl_type_t type)
 		  xfree (psd);
 		  err = GetLastError ();
 		  if (err == ERROR_NOT_SUPPORTED
-		      || err == ERROR_ACCESS_DENIED)
+		      || err == ERROR_ACCESS_DENIED
+		      || err == ERROR_INVALID_FUNCTION)
 		    errno = ENOTSUP;
 		  else if (err == ERROR_FILE_NOT_FOUND
 			   || err == ERROR_PATH_NOT_FOUND
@@ -6567,10 +6568,11 @@ acl_get_file (const char *fname, acl_type_t type)
 		   || err == ERROR_INVALID_NAME)
 	    errno = ENOENT;
 	  else if (err == ERROR_NOT_SUPPORTED
-		   /* ERROR_ACCESS_DENIED is what we get for a volume
-		      mounted by WebDAV, which evidently doesn't
-		      support ACLs.  */
-		   || err == ERROR_ACCESS_DENIED)
+		   /* ERROR_ACCESS_DENIED or ERROR_INVALID_FUNCTION is
+		      what we get for a volume mounted by WebDAV,
+		      which evidently doesn't support ACLs.  */
+		   || err == ERROR_ACCESS_DENIED
+		   || err == ERROR_INVALID_FUNCTION)
 	    errno = ENOTSUP;
 	  else
 	    errno = EIO;