From cf9d85c1ea3c8b6eda9e2f388c14c1a02576ea8c Mon Sep 17 00:00:00 2001 From: Lars Ingebrigtsen Date: Sat, 6 Nov 2021 18:52:30 +0100 Subject: [PATCH] Add an example to the display-supports-face-attributes-p doc string * src/xfaces.c (Fdisplay_supports_face_attributes_p): Add an example. --- src/xfaces.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/xfaces.c b/src/xfaces.c index 22f37222c38..a8cbf347904 100644 --- a/src/xfaces.c +++ b/src/xfaces.c @@ -5373,6 +5373,10 @@ DEFUN ("display-supports-face-attributes-p", The optional argument DISPLAY can be a display name, a frame, or nil (meaning the selected frame's display). +For instance, to check whether the display supports underlining: + + (display-supports-face-attributes-p \\='(:underline t)) + The definition of `supported' is somewhat heuristic, but basically means that a face containing all the attributes in ATTRIBUTES, when merged with the default face for display, can be represented in a way that's -- 2.39.2