 ///ViewController whose view contains the text view showing the results, and the text field for entering short queries
 class ConsoleOutputController: AbstractSessionViewController, OutputController, NSTextViewDelegate, NSTextFieldDelegate, TextViewMenuDelegate
 {
-	// MARK: properties
+	// MARK: - properties
 	@IBOutlet var resultsView: ResultsView?
 	@IBOutlet var consoleTextField: ConsoleTextField?
 	@IBOutlet var historyButton: NSSegmentedControl?

		return false
	}
	
	// MARK: textview delegate
	func textView(_ textView: NSTextView, clickedOn cell: NSTextAttachmentCellProtocol, in cellFrame: NSRect, at charIndex: Int)
	{
		let attach = cell.attachment

		return NSTextAttachmentCell(imageCell: img)
	}
	
	// MARK: - command history
	@IBAction func historyClicked(_ sender: Any?) {
		cmdHistory.adjustCommandHistoryMenu()
		let hframe = historyButton?.superview?.convert((historyButton?.frame)!, to: nil)
