add Piano.ly template

Author: KlausBlum

extension/templates/2.12/Piano.ly

@@ -0,0 +1,38 @@
+\include "lilypond-book-preamble.ly"
+#(set-global-staff-size %{OOoLilyPondStaffSize%} 20 %{OOoLilyPondEnd%})
+#(define version-seen #t)  % don't remove, because
+% the version warning has a slightly different format than normal error messages.
+% This (still) would crash OLy's message handling...
+
+\paper {
+  #(define dump-extents #t)
+  line-width = %{OOoLilyPondLineWidth%}17\cm%{OOoLilyPondEnd%}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%{OOoLilyPondCode%}
+{
+  \new PianoStaff {
+    <<
+      \new Staff {c'4 d' e' f'    g'2 g'}
+      \new Staff {\clef bass c2 c4 d    e2 e}
+    >>
+  }
+}
+
+% -------------------------------------------------------
+
+\paper {
+  short-indent = 0\cm
+  indent = 0\cm
+  ragged-right = ##t
+}
+
+\layout {
+  \context {
+    \Score
+    \remove "Bar_number_engraver"
+  }
+}
+%{OOoLilyPondEnd%}