java.lang.AssertionError: limitOffset=49 > docTextLength=46
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createNextView(ViewBuilder.java:375)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createViews(ViewBuilder.java:318)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.buildViews(ViewUpdates.java:147)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.checkRebuild(ViewUpdates.java:567)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates$FactoriesListener.viewFactoryChanged(ViewUpdates.java:595)
   at org.netbeans.modules.editor.lib2.view.EditorViewFactory.fireEvent(EditorViewFactory.java:224)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory$1.run(HighlightsViewFactory.java:119)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1420)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory$1.run(HighlightsViewFactory.java:125)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused: java.lang.reflect.InvocationTargetException
   at java.awt.EventQueue.invokeAndWait(EventQueue.java:998)
   at javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1320)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory$1.run(HighlightsViewFactory.java:132)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)