Avoid NPE for "Mark Occurrences"

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java
index c10ebf9..458a4ac 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPEditor.java
@@ -5615,7 +5615,7 @@ public abstract class PHPEditor extends AbstractDecoratedTextEditor implements I
                        fMarkOccurrenceModificationStamp = currentModificationStamp;
                }
 
-               if (fMarkOccurrenceTargetRegion == null) {
+               if (fMarkOccurrenceTargetRegion == null || fMarkOccurrenceTargetRegion.getLength()==0) {
                        return;
                }