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/JavaEditorPreferencePage.java
fCompletionOverwritesRadioButton.addSelectionListener(completionSelectionListener);
	}
	private Control createNavigationPage(Composite parent) {
		Composite composite= new Composite(parent, SWT.NULL);
		GridLayout layout= new GridLayout(); layout.numColumns= 2;
		composite.setLayout(layout);
				
		String text= PreferencesMessages.getString("JavaEditorPreferencePage.navigation.browserLikeLinks"); 
		fBrowserLikeLinksCheckBox= addCheckBox(composite, text, PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS, 0);
		fBrowserLikeLinksCheckBox.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				boolean state= fBrowserLikeLinksCheckBox.getSelection();
				fBrowserLikeLinksKeyModifierText.setEnabled(state);
				handleBrowserLikeLinksKeyModifierModified();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}
		});
		
		
		text= PreferencesMessages.getString("JavaEditorPreferencePage.navigation.browserLikeLinksKeyModifier"); 
		fBrowserLikeLinksKeyModifierText= addTextField(composite, text, PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER, 20, 0, false);
		fBrowserLikeLinksKeyModifierText.setTextLimit(Text.LIMIT);
		
		if (computeStateMask(fOverlayStore.getString(PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER)) == -1) {
			
			int stateMask= fOverlayStore.getInt(PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK);
			if (stateMask == -1)
				fBrowserLikeLinksKeyModifierText.setText(""); 
			else