From 440a51fb7671e735cbf877500f4931987f23f692 Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Wed, 28 Feb 2018 17:54:15 +0000
Subject: [PATCH 1/1] JAL-2924 no tooltip over null annotation positions

---
 src/jalview/gui/AnnotationPanel.java |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/jalview/gui/AnnotationPanel.java b/src/jalview/gui/AnnotationPanel.java
index 71cdc9c..260b771 100755
--- a/src/jalview/gui/AnnotationPanel.java
+++ b/src/jalview/gui/AnnotationPanel.java
@@ -782,6 +782,10 @@ public class AnnotationPanel extends JPanel implements AwtRenderPanelI,
       {
         this.setToolTipText(JvSwingUtils.wrapTooltip(true, description));
       }
+      else
+      {
+        this.setToolTipText(null); // no tooltip if null or empty description
+      }
     }
     else
     {
-- 
1.7.10.2