     view = recurseTree(tree)
 
     # Add new inline view
-    r = new @ink.Result editor, [end, end],
-      content: view
+    r = new @ink.Result editor, [end, end], content: view, error: error
 
     # Adding the class here lets us apply proto repl specific styles to the display.
     r.view.classList.add 'proto-repl'

  # Displays some result data inline. tree is a recursive structure expected to
  # be of the shape like the following.
  # ["text for display", {button options}, [childtree1, childtree2, ...]]
  displayInline: (editor, range, tree)->
    end = range.end.row

    # Remove the existing view if there is one

  # of content for inline display.
  makeInlineHandler: (editor, range, valueToTreeFn)->
    (result) =>
      isError = false
      if result.value
        tree = valueToTreeFn(result.value)
      else
        tree = [result.error]
        isError = true
      @displayInline(editor, range, tree, isError)

  inlineResultHandler: (result, options)->
    # Alpha support of inline results using Atom Ink.
