> There were tons of old binary formats that were like this. It can happen with text, but it's less likely to, because a larger proportion of textual formats bu

> There were tons of old binary formats that were like this. It can happen with text, but it's less likely to, because a larger proportion of textual formats build over a container like XML or JSON to offload the text parsing, and then they end up with some pre-structured data. Note that PNG also "build[s] over a container", since it's a descendant of IFF.