Stubble render empty lines for non-existing tags

Program.cs

using Stubble.Core.Builders;
using System;

class Program
{
    static string template = 
@"Lorem ipsum dolor sit amet, consectetur adipiscing elit.
{{{ATag}}}
{{{ATag}}}
{{{ATag}}}
{{{ATag}}}
Nulla non nulla sit amet ligula fringilla gravida sed vitae felis.
{{#ASection}}Aenean eu dui tincidunt risus fringilla fringilla.{{/ASection}}
{{#ASection}}Aenean eu dui tincidunt risus fringilla fringilla.{{/ASection}}
{{#ASection}}Aenean eu dui tincidunt risus fringilla fringilla.{{/ASection}}
{{#ASection}}Aenean eu dui tincidunt risus fringilla fringilla.{{/ASection}}
Nulla nisl nulla, vulputate quis dui eget, sagittis placerat neque. Aliquam eu arcu eget elit semper dapibus.";

    static void Main (string[] args)
    {
        var stubble = new StubbleBuilder().Build();
        var document = stubble.Render(template, null);
        Console.Write(document);
        Console.ReadKey();
    }
}