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/DialogProblemFilter.java
public void updateEnablement() {
            enablementButton.setEnabled(isFilterEnabled());
            errorButton.setEnabled(enablementButton.isEnabled() && isEnabled());
            warningButton.setEnabled(enablementButton.isEnabled()
                    && isEnabled());
            infoButton.setEnabled(enablementButton.isEnabled() && isEnabled());
        }
    }
    /**
     * @param parentShell
     * @param filter
     */
    public DialogProblemFilter(Shell parentShell, ProblemFilter filter) {
        super(parentShell, filter);
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.views.markerview.FiltersDialog#createAttributesArea(org.eclipse.swt.widgets.Composite)
     */
    protected void createAttributesArea(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setFont(parent.getFont());
        composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        GridLayout layout = new GridLayout(5, false);
        layout.verticalSpacing = 7;
        composite.setLayout(layout);
        descriptionGroup = new DescriptionGroup(composite);
        severityGroup = new SeverityGroup(composite);
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.views.markerview.FiltersDialog#updateFilterFromUI(org.eclipse.ui.views.markerview.MarkerFilter)