Add rgb-color macro.

diff --git a/scm/output-lib.scm b/scm/output-lib.scm
index 745c231c48256610251b1c30ca175b1a9ac89c7d..bd429911f94a99e3f362bbe646173cc1c4258346 100644 (file)
--- a/scm/output-lib.scm
+++ b/scm/output-lib.scm
@@ -293,6 +293,7 @@ centered, X==1 is at the right, X == -1 is at the left."
 ;; Color
 
 (define-public color? list?)
+(define-public (rgb-color r g b) (list r g b))
 
 ; predefined colors
 (define-public black       '(0.0 0.0 0.0))