GitLab

ignore whether selective display is on or off.

(display_text_line, try_window): Check `invisible' prop
using TEXT_PROP_MEANS_INVISIBLE.
(display_text_line): Check TEXT_PROP_MEANS_INVISIBLE_WITH_ELLIPSIS;
if it says so, use ellipses after invisible text.
(invisible_p, invisible_ellipsis_p): New functions.