Regression test and NEWS entry for skyline-vertical-placement

2 files changed, 30 insertions, 0 deletions

diff --git a/Documentation/topdocs/NEWS.tely b/Documentation/topdocs/NEWS.tely
index 374dc9f444..25283a13f1 100644
--- a/Documentation/topdocs/NEWS.tely
+++ b/Documentation/topdocs/NEWS.tely
@@ -66,6 +66,19 @@ which scares away people.
 
 @end ignore
 
+@item Objects that belong outside of the staff are now positioned automatically to
+avoid collisions.
+
+@lilypond[fragment,ragged-right,relative=1]
+{
+  \override TextScript #'outside-staff-priority = #1
+  c''
+  \once \override TextScript #'self-alignment-X = #CENTER
+  a,^"this doesn't collide with the c"
+  b^"this goes above the previous markup"
+  a8_"this goes below the dynamic"
+  a\f
+}
 
 @end itemize
 
diff --git a/input/regression/skyline-vertical-placement.ly b/input/regression/skyline-vertical-placement.ly
new file mode 100644
index 0000000000..6c85a39f2a
--- /dev/null
+++ b/input/regression/skyline-vertical-placement.ly
@@ -0,0 +1,17 @@
+\header {
+  texidoc = "Grobs that have outside-staff-priority set are positioned
+using a skyline algorithm so that they don't collide with other objects."
+}
+
+\layout {ragged-right = ##t}
+
+\version "2.11.0"
+\relative c''' {
+  \override TextScript #'outside-staff-priority = #1
+  c
+  \once \override TextScript #'self-alignment-X = #CENTER
+  a,^"this doesn't collide with the c"
+  b^"this goes above the previous markup"
+  a8_"this goes below the dynamic"
+  a\f
+}