From 7113fb669dcd193295308c44ee2213aa437e38b2 Mon Sep 17 00:00:00 2001
From: Enrico Forestieri <forenr@lyx.org>
Date: Sat, 13 Aug 2016 17:43:03 +0200
Subject: [PATCH] Correct comment

According to C++11 rules, static locals are thread safe for
the first-time initialization.

See also:
http://stackoverflow.com/questions/12302057/c11-safe-double-checked-locking-for-lazy-initialization-possible
---
 src/graphics/PreviewLoader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/graphics/PreviewLoader.cpp b/src/graphics/PreviewLoader.cpp
index 88f49b013e..f3bf437811 100644
--- a/src/graphics/PreviewLoader.cpp
+++ b/src/graphics/PreviewLoader.cpp
@@ -102,7 +102,7 @@ lyx::Converter const * setConverter(string const & from)
 			        << "\" format has been defined.");
 		});
 #else
-	// This is not thread-safe.
+	// This is also thread-safe according to §6.7.4 of the C++11 standard.
 	static bool first = true;
 	if (first) {
 		first = false;