Bug 575509 - IllegalArgumentException in OverviewRuler.doPaint Change-Id: Ic75b78a48eb00576ef5f30df9c659fbdb7c3a1b2 Signed-off-by: Andrey Loskutov <loskutov@gmx.de> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/184239 Reviewed-by: Mickael Istria <mistria@redhat.com>