semantic highlighting test code

expected.asciidoc

test.cc

namespace a
{
	template <class U>
	struct a
	{
		template <class T>
		static T b() { return T(1); }
	};

	struct b
	{
		using a = int;
	};
}

int main()
{
	return a::a<a::b::a>::b<a::b::a>();
}