 		}
 	}
 	
+	// MARK: - actions
 	/// Asks the delegate to add a chunk after this one
 	@IBAction func addChunk(_ sender: Any?) {
 		delegate?.addChunk(after: self, sender: sender as? NSButton)

		chunkTypeLabel.stringValue = titleForCurrentChunk()
	}

	private func titleForCurrentChunk() -> String {
		guard let chunk = data?.chunk else { return "unknown" }
		switch chunk.chunkType {

	var context: EditorContext? { didSet { contextChanged() } }
	private var fontDisposable: Disposable?

	// MARK: - standard
	deinit {
		fontDisposable?.dispose()
	}
