Regtests: consistency in arpeggio syntax

Using the shortcut notation for \arpeggioParenthesis,
just like in arpeggio-bracket.ly and arpeggio.ly.

diff --git a/input/regression/arpeggio-parenthesis.ly b/input/regression/arpeggio-parenthesis.ly
index dd43018272fe8a0bb048a7c4ef841553d74ecc51..be6efcaca68d19c3a15f6748ed26d2eb7ab1e8ae 100644 (file)
--- a/input/regression/arpeggio-parenthesis.ly
+++ b/input/regression/arpeggio-parenthesis.ly
@@ -9,7 +9,7 @@
 \version "2.12.0"
 
 \relative c' {
-  \override Arpeggio #'stencil = #ly:arpeggio::brew-chord-slur
+  \arpeggioParenthesis
 
   % Note: does not work for cross staff arpeggios.
   \override Arpeggio #'X-extent = #ly:grob::stencil-width