Bug 20181 TVT2: Mnemonic doesn't work in Java Editor prefs
Japanese TVT tester found a non-functional mnemonic in Preferences>Java>Editor on the Syntax tab. Pressing Alt+B doesn't activate the bold checkbox. Build F2 NL fragments generated on 6/11 Window>Preferences Select Java Select Editor Click on Syntax tab press Alt+B... checkbox does not work.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
Composite behaviorComposite= new Composite(parent, SWT.NONE);
		GridLayout layout= new GridLayout(); layout.numColumns= 2;
		behaviorComposite.setLayout(layout);
		String label= JavaUIMessages.getString("JavaEditorPreferencePage.textFont"); 
		addTextFontEditor(behaviorComposite, label, AbstractTextEditor.PREFERENCE_FONT);
		
		label= JavaUIMessages.getString("JavaEditorPreferencePage.displayedTabWidth"); 
		addTextField(behaviorComposite, label, JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH, 3, 0, true);
		label= JavaUIMessages.getString("JavaEditorPreferencePage.printMarginColumn"); 
		addTextField(behaviorComposite, label, CompilationUnitEditor.PRINT_MARGIN_COLUMN, 3, 0, true);
				
		label= JavaUIMessages.getString("JavaEditorPreferencePage.insertSpaceForTabs"); 
		addCheckBox(behaviorComposite, label, CompilationUnitEditor.SPACES_FOR_TABS, 0);
				
		label= JavaUIMessages.getString("JavaEditorPreferencePage.synchronizeOnCursor"); 
		addCheckBox(behaviorComposite, label, JavaEditorPreferencePage.PREF_SYNC_OUTLINE_ON_CURSOR_MOVE, 0);
		label= JavaUIMessages.getString("JavaEditorPreferencePage.showOverviewRuler"); 
		addCheckBox(behaviorComposite, label, CompilationUnitEditor.OVERVIEW_RULER, 0);
				
		label= JavaUIMessages.getString("JavaEditorPreferencePage.showLineNumbers"); 
		addCheckBox(behaviorComposite, label, JavaEditor.LINE_NUMBER_RULER, 0);
		label= JavaUIMessages.getString("JavaEditorPreferencePage.highlightMatchingBrackets"); 
		addCheckBox(behaviorComposite, label, CompilationUnitEditor.MATCHING_BRACKETS, 0);
		
		label= JavaUIMessages.getString("JavaEditorPreferencePage.highlightCurrentLine"); 
		addCheckBox(behaviorComposite, label, CompilationUnitEditor.CURRENT_LINE, 0);
				
		label= JavaUIMessages.getString("JavaEditorPreferencePage.showPrintMargin"); 
		addCheckBox(behaviorComposite, label, CompilationUnitEditor.PRINT_MARGIN, 0);
		Label l= new Label(behaviorComposite, SWT.LEFT );