release: 1.5.4

[lilypond.git] / lily / paper-stream.cc

diff --git a/lily/paper-stream.cc b/lily/paper-stream.cc
index ba3c9ee11555880dc806fe16f87385f5a687d562..d2bbeb3f9ca676d2fc2bf2ab3f40af21c09d162e 100644 (file)
--- a/lily/paper-stream.cc
+++ b/lily/paper-stream.cc
@@ -71,7 +71,8 @@ Paper_stream::Paper_stream (String filename)
 Paper_stream::~Paper_stream ()
 {
   close_file_stream (os_);
-  assert (nest_level == 0);
+  if (nest_level != 0)
+    programming_error ("Brace nesting in paper output doesn't match");
 }
 
 // print string. don't forget indent.