java.lang.ArrayIndexOutOfBoundsException: -91
   at org.netbeans.modules.editor.lib2.document.CharContent.charAt(CharContent.java:80)
   at org.netbeans.lib.lexer.token.DefaultToken$InputSourceSubsequence.charAt(DefaultToken.java:247)
   at java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3715)
   at java.util.regex.Pattern$GroupHead.match(Pattern.java:4556)
   at java.util.regex.Pattern$Branch.match(Pattern.java:4502)
   at java.util.regex.Pattern$Start.match(Pattern.java:3408)
   at java.util.regex.Matcher.search(Matcher.java:1198)
   at java.util.regex.Matcher.find(Matcher.java:591)
   at org.netbeans.editor.CustomFoldManager.scanToken(CustomFoldManager.java:465)
   at org.netbeans.editor.CustomFoldManager.getMarkList(CustomFoldManager.java:266)
   at org.netbeans.editor.CustomFoldManager.processTokenList(CustomFoldManager.java:284)
   at org.netbeans.editor.CustomFoldManager.updateFolds(CustomFoldManager.java:342)
   at org.netbeans.editor.CustomFoldManager.run(CustomFoldManager.java:145)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.ArrayIndexOutOfBoundsException: -91
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1452)
   at org.netbeans.editor.CustomFoldManager.insertUpdate(CustomFoldManager.java:107)
   at org.netbeans.modules.editor.fold.FoldOperationImpl.insertUpdate(FoldOperationImpl.java:213)
   at org.netbeans.modules.editor.fold.FoldHierarchyExecution.insertUpdate(FoldHierarchyExecution.java:710)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.insertUpdate(PriorityDocumentListenerList.java:85)
   at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:202)
   at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1656)
   at org.netbeans.editor.BaseDocument.insertString(BaseDocument.java:822)
   at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:670)
   at javax.swing.text.JTextComponent.replaceSelection(JTextComponent.java:1379)
   at javax.swing.JEditorPane.replaceSelection(JEditorPane.java:1163)
   at javax.swing.plaf.basic.BasicTextUI$TextTransferHandler.handleReaderImport(BasicTextUI.java:2356)
   at javax.swing.plaf.basic.BasicTextUI$TextTransferHandler.importData(BasicTextUI.java:2496)
   at org.openide.text.QuietEditorPane$DelegatingTransferHandler.importData(QuietEditorPane.java:371)
   at javax.swing.TransferHandler.importData(TransferHandler.java:826)
   at javax.swing.TransferHandler$TransferAction.actionPerformedImpl(TransferHandler.java:1758)
   at javax.swing.TransferHandler$TransferAction.access$700(TransferHandler.java:1684)
   at javax.swing.TransferHandler$TransferAction$1.run(TransferHandler.java:1707)
   at javax.swing.TransferHandler$TransferAction$1.run(TransferHandler.java:1705)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at javax.swing.TransferHandler$TransferAction$2.run(TransferHandler.java:1722)
   at javax.swing.TransferHandler$TransferAction$2.run(TransferHandler.java:1720)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at javax.swing.TransferHandler$TransferAction.actionPerformed(TransferHandler.java:1719)
   at javax.swing.text.JTextComponent.invokeAction(JTextComponent.java:1513)
   at javax.swing.text.JTextComponent.paste(JTextComponent.java:1491)
   at org.netbeans.editor.BaseKit$PasteAction$1.run(BaseKit.java:2058)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:344)
   at org.netbeans.editor.BaseKit$PasteAction.actionPerformed(BaseKit.java:2047)
   at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1661)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:2879)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2926)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2842)
   at java.awt.Component.processEvent(Component.java:6281)
   at java.awt.Container.processEvent(Container.java:2229)
   at java.awt.Component.dispatchEventImpl(Component.java:4860)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Component.dispatchEvent(Component.java:4686)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1908)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:752)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1017)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:889)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:717)
   at java.awt.Component.dispatchEventImpl(Component.java:4730)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Window.dispatchEventImpl(Window.java:2713)
   at java.awt.Component.dispatchEvent(Component.java:4686)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at java.awt.EventQueue$4.run(EventQueue.java:680)
   at java.awt.EventQueue$4.run(EventQueue.java:678)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:677)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)