GitLab

(display-mouse-p, display-popup-menus-p, display-graphic-p)
(display-selections-p, display-screens, display-pixel-width)
(display-pixel-height, display-mm-width, display-mm-height)
(display-backing-store, display-save-under, display-planes)
(display-color-cells, display-visual-class): New functions.