From 2786aa7463700aeefa358cbbfeccb9ff4839eadd Mon Sep 17 00:00:00 2001
From: Michael Helmling <michaelhelmling@posteo.de>
Date: Sun, 27 Nov 2016 19:17:13 +0100
Subject: [PATCH] Fixes #743 by not overwriting existing Xiph comment in
 FLAC::File::save

---
 taglib/flac/flacfile.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/taglib/flac/flacfile.cpp b/taglib/flac/flacfile.cpp
index b31cc65e..dba54d58 100644
--- a/taglib/flac/flacfile.cpp
+++ b/taglib/flac/flacfile.cpp
@@ -168,8 +168,9 @@ bool FLAC::File::save()
   }
 
   // Create new vorbis comments
-
-  Tag::duplicate(&d->tag, xiphComment(true), false);
+  if (!hasXiphComment())
+    Tag::duplicate(&d->tag, xiphComment(true), false);
+  
 
   d->xiphCommentData = xiphComment()->render(false);