From f29c9a5a0cdca0205f98d55ad20d1145295db126 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 23 Jan 2017 12:12:04 +0200
Subject: Minor changes

---
 butl/diagnostics | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'butl/diagnostics')

diff --git a/butl/diagnostics b/butl/diagnostics
index 60e8538..da24c69 100644
--- a/butl/diagnostics
+++ b/butl/diagnostics
@@ -18,7 +18,11 @@ namespace butl
 {
   // Diagnostic facility base infrastructure.
   //
-  LIBBUTL_EXPORT extern std::ostream* diag_stream; // std::cerr by default.
+
+  // Diagnostics destination stream (std::cerr by default). Note that its
+  // modification is not MT-safe.
+  //
+  LIBBUTL_EXPORT extern std::ostream* diag_stream;
 
   struct diag_record;
   template <typename> struct diag_prologue;
-- 
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