Page breaking: fix ly:minimal-breaking

diff --git a/lily/page-breaking.cc b/lily/page-breaking.cc
index 0ef1a309e9e5531b904fed613b4f583ac128323d..2251e50bc19a5848dea569f315fc4c858d4d06f4 100644 (file)
--- a/lily/page-breaking.cc
+++ b/lily/page-breaking.cc
@@ -1137,6 +1137,7 @@ Page_breaking::pack_systems_on_least_pages (vsize configuration, vsize first_pag
   Page_spacing space (page_height (first_page_num, false), this);
 
   cache_line_details (configuration);
+  compute_line_heights ();
   for (vsize line = 0; line < cached_line_details_.size (); line++)
     {
       Real prev_force = space.force_;