Help Browser crashes on OSM Main_Page

[Hb---]

What steps will reproduce the problem?

1. Open the Help Browser
2. Click on link "​Openstreetmap wiki" = ​https://wiki.openstreetmap.org/wiki/Main_Page ​

What is the expected result?

See the OSM page.

What happens instead?

See crash report below.

Please provide any additional information below. Attach a screenshot if possible.

Clicking on "FAQ about OSM in general"=​https://wiki.openstreetmap.org/wiki/FAQ does not crash the Help Browser.

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-02-19 01:14:22 +0100 (Mon, 19 Feb 2018)
Build-Date:2018-02-19 00:19:27
Revision:13446
Relative:URL: ^/trunk

Identification: JOSM/1.5 (13446 en) Windows 7 64-Bit
OS Build number: Windows 7 Professional (7601)
Memory Usage: 526 MB / 3604 MB (165 MB allocated, but free)
Java version: 1.8.0_161-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1280x1024
Maximum Screen Size: 1280x1024
Program arguments: [--language=en, --reset-preferences]

Last errors/warnings:
- W: Replacing existing preference file '<josm.pref>\preferences.xml' with default preference file.
- W: No configuration settings found.  Using hardcoded default values for all pools.
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Length must be >= 0.
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Length must be >= 0.
- E: Handled by bug report queue: java.lang.IllegalArgumentException: Length must be >= 0.


=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (19) of main
java.lang.IllegalArgumentException: Length must be >= 0.
	at javax.swing.text.GlyphPainter2.getBoundedPosition(Unknown Source)
	at javax.swing.text.GlyphView.getBreakWeight(Unknown Source)
	at javax.swing.text.html.InlineView.getBreakWeight(Unknown Source)
	at javax.swing.text.ParagraphView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.ParagraphView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.ParagraphView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.TableView$CellView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.TableView.checkSingleColumnCell(Unknown Source)
	at javax.swing.text.html.TableView.calculateColumnRequirements(Unknown Source)
	at javax.swing.text.html.TableView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.TableView$CellView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.TableView.checkSingleColumnCell(Unknown Source)
	at javax.swing.text.html.TableView.calculateColumnRequirements(Unknown Source)
	at javax.swing.text.html.TableView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.TableView$CellView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.TableView.checkSingleColumnCell(Unknown Source)
	at javax.swing.text.html.TableView.calculateColumnRequirements(Unknown Source)
	at javax.swing.text.html.TableView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.getMinimumSpan(Unknown Source)
	at javax.swing.text.html.BlockView.getMinimumSpan(Unknown Source)
	at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.html.BlockView.calculateMinorAxisRequirements(Unknown Source)
	at javax.swing.text.BoxView.checkRequests(Unknown Source)
	at javax.swing.text.BoxView.setSpanOnAxis(Unknown Source)
	at javax.swing.text.BoxView.layout(Unknown Source)
	at javax.swing.text.BoxView.setSize(Unknown Source)
	at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(Unknown Source)
	at javax.swing.plaf.basic.BasicTextUI.viewToModel(Unknown Source)
	at javax.swing.text.html.HTMLEditorKit$LinkController.mouseMoved(Unknown Source)
	at java.awt.AWTEventMulticaster.mouseMoved(Unknown Source)
	at java.awt.Component.processMouseMotionEvent(Unknown Source)
	at javax.swing.JComponent.processMouseMotionEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$500(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

[Don-vip]

Closed as duplicate of #14968.