Bug 69424 TVT3.0: Multiple Mnemonics in Tasks -> Filters
From the main Workbench view, click the Task menu (drop down arrow) and select Filters. There are duplicated mnemonics for (D). See the attached screenshot.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = 1;
        separator.setLayoutData(gd);
    }
    /**
     * Creates a radio button with the given parent and text.
     *
     * @param parent the parent composite
     * @param text the text for the check box
     * @return the radio box button
     */
    protected Button createRadioButton(Composite parent, String text) {
        Button button = new Button(parent, SWT.RADIO);
        button.setText(text);
        button.setFont(parent.getFont());
        button.addSelectionListener(selectionListener);
        return button;
    }
    /**
     * Creates the area showing which resources should be considered.
     *
     * @param parent the parent composite
     */
    protected void createResourceArea(Composite parent) {
        Composite group = new Composite(parent, SWT.NONE);
        group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        group.setLayout(new GridLayout());
        group.setFont(parent.getFont());
        anyResourceButton = createRadioButton(group, Messages
                .getString("filtersDialog.anyResource"));