Bug 53888 Mnemonic collision Text Editor -> Quick Diff
20040303 The Make Default and Restore Defaults button have the same mnemonic
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/QuickdiffConfigurationBlock.java
fSetDefaultButton.setEnabled(false);
				fQuickDiffProviderList.setSelection(i);
				fQuickDiffProviderList.redraw();
				
				fStore.setValue(ExtendedTextEditorPreferenceConstants.QUICK_DIFF_DEFAULT_PROVIDER, fQuickDiffProviderListModel[i][0]);
			}
		});
		
		return composite;
	}
	public void initialize() {
		
		for (int i= 0; i < fQuickDiffProviderListModel.length; i++) {
			String label= fQuickDiffProviderListModel[i][1];
			if (fStore.getString(ExtendedTextEditorPreferenceConstants.QUICK_DIFF_DEFAULT_PROVIDER).equals(fQuickDiffProviderListModel[i][0]))
				label += " " + PreferenceMessages.getString(fPrefix + ".quickdiff.defaultlabel"); 
			fQuickDiffProviderList.add(label);
		}
		fQuickDiffProviderList.getDisplay().asyncExec(new Runnable() {
			public void run() {
				if (fQuickDiffProviderList != null && !fQuickDiffProviderList.isDisposed()) {
					fQuickDiffProviderList.select(0);
					handleProviderListSelection();
				}
			}
		});
	}
	public void initializeFields() {
		Iterator e= fCheckBoxes.keySet().iterator();
		while (e.hasNext()) {