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-rw-r--r--cpp/050scenario.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/cpp/050scenario.cc b/cpp/050scenario.cc
index dc839a10..90a4fe64 100644
--- a/cpp/050scenario.cc
+++ b/cpp/050scenario.cc
@@ -85,7 +85,7 @@ void run_mu_scenario(const scenario& s) {
   // Hackily simulate a conditional START_TRACING_UNTIL_END_OF_SCOPE.
   bool temporary_trace_file = Trace_file.empty();
   if (temporary_trace_file) Trace_file = s.name;
-  cerr << Trace_file << '\n';
+//?   cerr << Trace_file << '\n'; //? 1
   bool delete_trace_stream = !Trace_stream;
   if (delete_trace_stream) Trace_stream = new trace_stream;
 //?   START_TRACING_UNTIL_END_OF_SCOPE;