I think I may not have come across as intended. I personally would go for tabs. That seems 'obvious' to me. The author went a different route and I'm intereste

I think I may not have come across as intended. I personally would go for tabs. That seems 'obvious' to me. The author went a different route and I'm interested in their reasoning. As you say, it's a personal project they're giving away. My question was one of why they went in a particular direction, rather than saying that direction is wrong.