+ DEFVAR_LISP ("emacs-patch-level", &Vemacs_patch_level /*
+The patch level of this version of Emacs, as an integer.
+The value is non-nil if this version of XEmacs is part of a series of
+stable XEmacsen, but has bug fixes applied.
+Warning: this variable does not exist in FSF Emacs or in XEmacs versions
+earlier than 21.1.1
+*/ );
+#ifdef EMACS_PATCH_LEVEL
+ Vemacs_patch_level = make_int (EMACS_PATCH_LEVEL);
+#else
+ Vemacs_patch_level = Qnil;
+#endif
+
+ DEFVAR_LISP ("emacs-beta-version", &Vemacs_beta_version /*