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
/**
     * button IDs
     */
    static final int RESET_ID = IDialogConstants.CLIENT_ID;
    static final int SELECT_WORKING_SET_ID = IDialogConstants.CLIENT_ID + 1;
    static final int SELECT_ALL_ID = IDialogConstants.CLIENT_ID + 2;
    static final int DESELECT_ALL_ID = IDialogConstants.CLIENT_ID + 3;
    private class TypesLabelProvider extends LabelProvider implements
            ITableLabelProvider {
        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
         */
        public Image getColumnImage(Object element, int columnIndex) {
            return null;
        }
        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
         */
        public String getColumnText(Object element, int columnIndex) {
            if (!(element instanceof MarkerType)) {