summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lispref/frames.texi8
1 files changed, 7 insertions, 1 deletions
diff --git a/lispref/frames.texi b/lispref/frames.texi
index af03160d992..adae8efe732 100644
--- a/lispref/frames.texi
+++ b/lispref/frames.texi
@@ -1575,9 +1575,15 @@ will specify which terminal to operate on (the default being the
selected frame's terminal; @pxref{Input Focus}). At present, though,
the @var{display} argument has no effect.
+@defun tty-display-color-p &optional display
+This function returns non-@code{nil} if the terminal on @var{display}
+supports colors.
+@end defun
+
@defun tty-display-color-cells &optional display
This function returns the number of distinct colors supported for
-@var{display}.
+@var{display}. For a monochrome terminal which only supports two
+colors (usually black and white), this function returns zero.
@end defun
@defun tty-color-define name number &optional rgb display