From 38df63870b1024ec972afeb6c13cac8a2f6937a4 Mon Sep 17 00:00:00 2001
From: Arek Holko <fastred@users.noreply.github.com>
Date: Mon, 20 Nov 2017 18:44:41 +0100
Subject: Fix calendar attachment appearing twice in the HTML output (#1690)

---
 src/core/renderer/MCHTMLRenderer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/renderer/MCHTMLRenderer.cpp b/src/core/renderer/MCHTMLRenderer.cpp
index f5b0c989..5f599407 100644
--- a/src/core/renderer/MCHTMLRenderer.cpp
+++ b/src/core/renderer/MCHTMLRenderer.cpp
@@ -474,7 +474,7 @@ String * htmlForAbstractMultipartAlternative(AbstractMultipart * part, htmlRende
     
     String * result = String::string();
     result->appendString(html);
-    if (calendar != NULL) {
+    if (calendar != NULL && calendar != preferredAlternative) {
         result->appendString(htmlForAbstractPart(calendar, context));
     }
     return result;
-- 
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