Runtime error for 04_formatted_text.adoc

[paulvi]

Runtime error for
https://github.com/de-jcup/eclipse-asciidoctor-editor/blob/master/asciidoctor-editor-other/testscripts/04_formatted_text.adoc

eclipse.buildId=3.9.3.201803200915-RELEASE-e47
java.version=1.8.0_45
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN
Framework arguments:  -product org.springsource.sts.ide -product org.springsource.sts.ide
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.springsource.sts.ide -data file:/D:/Workspaces/workspace-sts-3.9.3.RELEASE/ -product org.springsource.sts.ide

pm.eclipse.editbox
Error
Mon May 28 23:52:25 CST 2018
[pm.eclipse.editbox.impl.BoxDecoratorImpl$BoxPaintListener] Box paint error

java.lang.StringIndexOutOfBoundsException: String index out of range: -1
	at java.lang.AbstractStringBuilder.charAt(AbstractStringBuilder.java:210)
	at java.lang.StringBuilder.charAt(StringBuilder.java:76)
	at pm.eclipse.editbox.impl.JavaBoxBuilder.commentEnds(JavaBoxBuilder.java:73)
	at pm.eclipse.editbox.impl.JavaBoxBuilder.addLine(JavaBoxBuilder.java:43)
	at pm.eclipse.editbox.impl.BoxBuilderImpl.build(BoxBuilderImpl.java:37)
	at pm.eclipse.editbox.impl.BoxDecoratorImpl.buildBoxes(BoxDecoratorImpl.java:117)
	at pm.eclipse.editbox.impl.BoxDecoratorImpl$BoxPaintListener.paintControl(BoxDecoratorImpl.java:526)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:231)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1088)
	at org.eclipse.swt.widgets.Composite.WM_PAINT(Composite.java:1570)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4900)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:359)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5191)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2560)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3815)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
	at org.eclipse.ui.internal.Workbench$$Lambda$14/1309988128.run(Unknown Source)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1499)