lol, the forum interface extracted delimiters, so the example is missing some, but hopefully the point is not too obfuscated. i also had this issue creating the examples since there were so many layered delimiters. there’s probably a guideline in that somewhere as well.
Here is a picture that shows the first part of the example (of what not to do) more clearly:
(A picture of the first part of the example of “what not to do”.)