(const :tag "Off (nil)" :value nil)
(const :tag "Full screen (t)" :value t)
(other :tag "Always" 1)) "22.1")
+ (recenter-redisplay windows
+ (choice
+ (const :tag "Never (nil)" :value nil)
+ (const :tag "Only on ttys" :value tty)
+ (other :tag "Always" t))
+ "23.1")
;; xdisp.c
(scroll-step windows integer)
(scroll-conservatively windows integer)