apply-context.ly: use stderr to print, rather than stdout

diff --git a/input/regression/apply-context.ly b/input/regression/apply-context.ly
index 9024fbe8f460e819062819a09b4477e508ff6c36..abcbd3028165077e2555452d23d8ce2ade465238 100644 (file)
--- a/input/regression/apply-context.ly
+++ b/input/regression/apply-context.ly
@@ -24,7 +24,7 @@ This example prints a bar-number during processing on stdout.
   
   \applyContext
   #(lambda (tr)
-    (format #t "\nWe were called in barnumber ~a.\n"
+    (ly:progress "\nWe were called in bar number ~a.\n"
      (ly:context-property tr 'currentBarNumber)))
   c1 c1
 }