+ (window-combination-limit
+ windows (choice
+ (const :tag "Never (nil)" :value nil)
+ (const :tag "For Temp Buffer Resize mode (temp-buffer-resize)"
+ :value temp-buffer-resize)
+ (const :tag "For temporary buffers (temp-buffer)"
+ :value temp-buffer)
+ (const :tag "For buffer display (display-buffer)"
+ :value display-buffer)
+ (other :tag "Always (t)" :value t))
+ "24.3")