I was about to comment about how it took me several reads and then finally reading the "compound commands" section of `BASH(1)` to recognize the use of `(` vs `

I was about to comment about how it took me several reads and then finally reading the "compound commands" section of `BASH(1)` to recognize the use of `(` vs `{` in the examples. That distinction should have been made clear in the example IMO.