-LY_DEFINE (ly_paper_system_property, "ly:paper-system-property",
- 2, 1, 0, (SCM system, SCM sym, SCM dfault),
- "Return the value for @var{sym}. Properties may be set by "
- "setting the @code{line-break-system-details} property of "
- "NonMusicalPaperColumn. If the property is not found, "
- "return @var{dfault}, "
- "or @code{'()} if undefined.")
+LY_DEFINE (ly_paper_system_minimum_distance, "ly:paper-system-minimum-distance",
+ 2, 0, 0, (SCM sys1, SCM sys2),
+ "Measure the minimum distance between these two paper-systems,"
+ " using their stored skylines if possible and falling back to"
+ " their extents otherwise.")