:type gnus-article-treat-head-custom)
(put 'gnus-treat-buttonize-head 'highlight t)
-(defcustom gnus-treat-emphasize nil
+(defcustom gnus-treat-emphasize
+ (and (or window-system
+ (featurep 'xemacs)
+ (>= (string-to-number emacs-version) 21))
+ 50000)
"Emphasize text.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."