do not mind empty lines

diff --git a/layout/layout b/layout/layout
index 766b1bc17f43eddce6b37c52e9874d68053b7b33..54efc484870124199b385ed35b96be4e070cb640 100755 (executable)
--- a/layout/layout
+++ b/layout/layout
@@ -786,7 +786,7 @@ sub cmd_join {
 
 sub line ($$$) {
     my ($from,$to,$len) = @_;
-    parametric_segment(0.0, 1.0, abs($len), undef, sub {
+    parametric_segment(0.0, 1.0, abs($len) + 1e-6, undef, sub {
        ev_lincomb({}, $from, $to, $param);
     });
 }