From 28c64c2bd10263fc4370d3edf80a465dad46cd5a Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Fri, 23 Dec 2016 21:19:11 +0100
Subject: skip empty lines in message preview. prevents indexoutofbounds
 exception

---
 src/main/java/eu/siacs/conversations/utils/UIHelper.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/utils/UIHelper.java b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
index ebb800d4..ae40fc08 100644
--- a/src/main/java/eu/siacs/conversations/utils/UIHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
@@ -201,6 +201,9 @@ public class UIHelper {
 						char first = l.charAt(0);
 						if (first != '>' && first != '\u00bb') {
 							String line = l.trim();
+							if (line.isEmpty()) {
+								continue;
+							}
 							char last = line.charAt(line.length()-1);
 							if (builder.length() != 0) {
 								builder.append(' ');
-- 
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