(featurep '(or (and xemacs 19.15) (and emacs 19.34)))
=> ; Non-nil on XEmacs 19.15 and later, or FSF Emacs 19.34 and later.
+ (featurep '(and xemacs 21.02))
+ => ; Non-nil on XEmacs 21.2 and later.
+
NOTE: The advanced arguments of this function (anything other than a
symbol) are not yet supported by FSF Emacs. If you feel they are useful
for supporting multiple Emacs variants, lobby Richard Stallman at
-<bug-gnu-emacs@prep.ai.mit.edu>.
+<bug-gnu-emacs@gnu.org>.
*/
(fexp))
{