regtest for feathered beams.

diff --git a/input/regression/beam-feather-knee-stem-length.ly b/input/regression/beam-feather-knee-stem-length.ly
new file mode 100644 (file)
index 0000000..838f01b
--- /dev/null
+++ b/input/regression/beam-feather-knee-stem-length.ly
@@ -0,0 +1,32 @@
+\version "2.11.29"
+\header {
+
+  texidoc="In feathered beams, stems in knees reach up to the feathered part correctly.
+"
+
+}
+
+\layout { ragged-right = ##t}
+
+\relative c' {
+  \override Beam #'grow-direction = #-1
+%  \override Beam #'transparent = ##t
+  \override Stem #'direction = #UP
+  c32[
+  \override Stem #'direction = #DOWN
+
+  c''32 c32
+  \override Stem #'direction = #UP
+  c,,32]
+
+  \override Beam #'grow-direction = #1
+%  \override Beam #'transparent = ##t
+  \override Stem #'direction = #DOWN
+  c''32[
+  \override Stem #'direction = #UP
+
+  c,,32 c32
+  \override Stem #'direction = #DOWN
+  c''32]
+
+}