--- scm/define-grob-properties.scm	2004/01/11 19:24:07	1.1
+++ scm/define-grob-properties.scm	2004/01/11 19:24:19
@@ -460,6 +460,10 @@
 (grob-property-description 'break-visibility procedure? "a function
 that takes the break direction and returns a cons of booleans
 containing (TRANSPARENT . EMPTY).
+The following symbols are predefined for you: @code{all-visible},
address@hidden, @code{end-of-line-visible},
address@hidden, @code{end-of-line-invisible},
address@hidden
 ")
 
 (grob-property-description 'virga boolean? "is this neume a virga?.")