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
label= PreferencesMessages.getString("JavaEditorPreferencePage.showOnlyProposalsVisibleInTheInvocationContext"); 
		addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_SHOW_VISIBLE_PROPOSALS, 0);
		
		label= PreferencesMessages.getString("JavaEditorPreferencePage.presentProposalsInAlphabeticalOrder"); 
		addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_ORDER_PROPOSALS, 0);
		
		label= PreferencesMessages.getString("JavaEditorPreferencePage.automaticallyAddImportInsteadOfQualifiedName"); 
		addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_ADDIMPORT, 0);
		label= PreferencesMessages.getString("JavaEditorPreferencePage.fillArgumentNamesOnMethodCompletion"); 
		Button master= addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_FILL_ARGUMENT_NAMES, 0);
		label= PreferencesMessages.getString("JavaEditorPreferencePage.guessArgumentNamesOnMethodCompletion"); 
		Button slave= addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_GUESS_METHOD_ARGUMENTS, 0);
		createDependency(master, PreferenceConstants.CODEASSIST_FILL_ARGUMENT_NAMES, slave);
		label= PreferencesMessages.getString("JavaEditorPreferencePage.enableAutoActivation"); 
		final Button autoactivation= addCheckBox(contentAssistComposite, label, PreferenceConstants.CODEASSIST_AUTOACTIVATION, 0);
		autoactivation.addSelectionListener(new SelectionAdapter(){
            public void widgetSelected(SelectionEvent e) {
            	updateAutoactivationControls();
            }
		});		
		
		Control[] labelledTextField;
		label= PreferencesMessages.getString("JavaEditorPreferencePage.autoActivationDelay"); 
		labelledTextField= addLabelledTextField(contentAssistComposite, label, PreferenceConstants.CODEASSIST_AUTOACTIVATION_DELAY, 4, 0, true);
		fAutoInsertDelayLabel= getLabelControl(labelledTextField);
		fAutoInsertDelayText= getTextControl(labelledTextField);
		
		label= PreferencesMessages.getString("JavaEditorPreferencePage.autoActivationTriggersForJava"); 
		labelledTextField= addLabelledTextField(contentAssistComposite, label, PreferenceConstants.CODEASSIST_AUTOACTIVATION_TRIGGERS_JAVA, 4, 0, false);
		fAutoInsertJavaTriggerLabel= getLabelControl(labelledTextField);