"We advise users who to read this chapter carefully ..." ? botched surgery on this one
Not sure what you mean here? I reviewed the source sgml (that I modified):
We advise users who to read this chapter carefully because it contains several rules and concepts that are implemented inconsistently among SQL databases or that are specific to <productname>PostgreSQL</productname>.
We advise users who to read this chapter carefully... is not proper English - drop the "who"?
We advise users to read this chapter carefully
Honestly, though, that is just bad advice. It is not possible to read it carefully, it's too much material. Apply ruthless subjective-ness removal protocol here too. Just state what the chapter covers.
