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
severityGroup
                .setWarningSelected((severity & ProblemFilter.SEVERITY_WARNING) > 0);
        severityGroup
                .setInfoSelected((severity & ProblemFilter.SEVERITY_INFO) > 0);
        super.updateUIFromFilter();
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.views.markerview.FiltersDialog#updateEnabledState()
     */
    protected void updateEnabledState() {
        super.updateEnabledState();
        descriptionGroup.updateEnablement();
        severityGroup.updateEnablement();
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.views.markerview.FiltersDialog#resetPressed()
     */
    protected void resetPressed() {
        descriptionGroup.setContains(ProblemFilter.DEFAULT_CONTAINS);
        descriptionGroup.setDescription(ProblemFilter.DEFAULT_DESCRIPTION);
        severityGroup.setEnabled(ProblemFilter.DEFAULT_SELECT_BY_SEVERITY);
        severityGroup
                .setErrorSelected((ProblemFilter.DEFAULT_SEVERITY & ProblemFilter.SEVERITY_ERROR) > 0);
        severityGroup
                .setWarningSelected((ProblemFilter.DEFAULT_SEVERITY & ProblemFilter.SEVERITY_WARNING) > 0);
        severityGroup
                .setInfoSelected((ProblemFilter.DEFAULT_SEVERITY & ProblemFilter.SEVERITY_INFO) > 0);
        super.resetPressed();
    }
}