Use number-pair-list? with 'control-points

The predicate number-pair-list? is a better fit than list?.

diff --git a/scm/define-grob-properties.scm b/scm/define-grob-properties.scm
index d6deaec30faa9eee517df088e4c18f72704b9112..54798874db64e1365da38a8ea996c671bd807b70 100644 (file)
--- a/scm/define-grob-properties.scm
+++ b/scm/define-grob-properties.scm
@@ -199,7 +199,7 @@ measure of the closeness of the inner stems.  It is used for damping
 the slope of the beam.")
      (connect-to-neighbor ,pair? "Pair of booleans, indicating whether
 this grob looks as a continued break.")
-     (control-points ,list? "List of offsets (number pairs) that form
+     (control-points ,number-pair-list? "List of offsets (number pairs) that form
 control points for the tie, slur, or bracket shape.  For B@'eziers,
 this should list the control points of a third-order B@'ezier curve.")
      (count-from ,integer? "The first measure in a measure count