(set-version-in-file root "etc/refcards/ru-refcard.tex" newmajor
"\\\\newcommand{\\\\versionemacs}\\[0\\]\
{\\([0-9]\\{2,\\}\\)}.+%.+version of Emacs")))
+ ;; Note: There's also the "android:versionCode=" property in
+ ;; java/AndroidManifest.xml, whose value is the major Emacs version,
+ ;; but if we increase it, upgraded installation will be unable to be
+ ;; downgraded to previous Emacs releases. (The corresponding
+ ;; "android:versionName=" value there is updated by configure.)
(let* ((oldversion
(with-temp-buffer
(insert-file-contents (expand-file-name "README" root))