[LyX/master] Comment only.

[Pavel Sanda]

commit 555b08c3252f3b39177203df872002eac4e61916
Author: Pavel Sanda <sa...@lyx.org>
Date:   Mon Jan 18 14:29:37 2016 -0800

    Comment only.

diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index 9506666..6d40687 100644
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -319,6 +319,9 @@ bool FileName::isSymLink() const
 }
 
 
+//QFileInfo caching info might fool this test if file was changed meanwhile.
+//refresh() helps, but we don't want to put it blindly here, because it might
+//trigger slowdown on networked file systems.
 bool FileName::isFileEmpty() const
 {
        LASSERT(!empty(), return true);