Template.Parse throws ArgumentNullException instead of SyntaxException

[Metalnem]

Dotliquid version

2.0.298

Expected behavior

The program should throw SyntaxException.

Actual behavior

The program throws ArgumentNullException.

Steps to reproduce the problem

Here is the complete program to reproduce this problem:

namespace DotLiquid.Run
{
  public class Program
  {
    public static void Main(string[] args)
    {
      Template.Parse("{%if% or%}");
    }
  }
}

Found via SharpFuzz.