the attack is unrealistic on modern computer systems which don't
utilize swap memory usually.
+** The function 'display-buffer-in-major-side-window' is now internal.
+This hitherto undocumented function which existed since Emacs 24.1 has
+been renamed to 'window--make-major-side-window' and its semantics
+changed. Applications should use the now properly documented function
+'display-buffer-in-side-window' with appropriate arguments instead.
\f
* Lisp Changes in Emacs 26.1