fix 375

ensure that stem extents are non-empty for the tie-formatting-problem

diff --git a/lily/tie-formatting-problem.cc b/lily/tie-formatting-problem.cc
index 3a8ed37a6248150dc2893d81548a8229f17e8b77..935a1e018cd6c36b39c73c4602d385805511f355 100644 (file)
--- a/lily/tie-formatting-problem.cc
+++ b/lily/tie-formatting-problem.cc
@@ -171,6 +171,7 @@ Tie_formatting_problem::set_column_chord_outline (vector<Item*> bounds,
          Real x_center = head->extent (x_refpoint_, X_AXIS).center ();
          Interval x_ext;
          x_ext[-dir] = x_center;
+         x_ext[dir] = infinity_f * dir;
          Interval y_ext;
          for (vsize j = 0; j < head_boxes.size (); j++)
            y_ext.unite (head_boxes[j][Y_AXIS]);