Bug 58922 [RCP] Texts created with unsupported styles
- org.eclipse.ui.internal.presentations.AbstractTableInformationControl creates a Text with style SWT.FLAT - org.eclipse.ui.internal.ide.dialogs.SystemSummaryDialog.createDialogArea creates a Text with style SWT.NO_FOCUS
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/SystemSummaryDialog.java
if (reader != null) {
			try {
				reader.close();
			} catch (IOException e) {
				writer.println("Error closing user preference file " + e.toString()); 
			}
		}	
		file.delete();
	}	
		
	/*
	 * Appends the contents of the Plugin Registry.
	 */
	private void appendUpdateManagerLog(PrintWriter writer) {
		writer.println();
		writer.println(IDEWorkbenchMessages.getString("SystemSummary.updateManagerLog")); 
		ILocalSite site;
		try {
			site = SiteManager.getLocalSite();
		} catch (CoreException e) {
			e.printStackTrace(writer);
			return;
		}
		IInstallConfiguration[] configurations = site.getConfigurationHistory();
		for (int i = 0; i < configurations.length; i++) {
			writer.println();
			if (i>0)
				writer.println("----------------------------------------------------"); 
			writer.println(IDEWorkbenchMessages.format("SystemSummary.configuration", new Object[] {configurations[i].getLabel()}));