public void TestSubsequentUpdate()
{
var editor = new MonoTextEditor();
editor.GetTextEditorData().Document.SyntaxMode = new TestSyntaxMode();
editor.Text = @"1
2
3
4
5";
editor.Caret.Location = new DocumentLocation(2, 1);
editor.InsertAtCaret("a");
Assert.IsTrue(editor.TextViewMargin.SpanUpdater.HasUpdatedMultilineSpan);
editor.InsertAtCaret("a");
Assert.IsFalse(editor.TextViewMargin.SpanUpdater.HasUpdatedMultilineSpan);
}
