One of the essential components of the FAQ will be the list of on-topic and off-topic subjects for questions.
Let’s use this question to vote on what topics should be on and off topic.
Typography questions that do not already qualify for one of the other topics listed as on-topic. In other words, typography questions are not in and of themselves enough to considered on-topic.
Gratuitous, condescending, or unasked-for grammar corrections. Otherwise there is a risk of the grammar-correcting flame in turn being flamingly grammar-corrected, ad nauseam.
I have been on the site for one day and have already received what felt to me like a sneeringly condescending slam of one of my own (apparent) errors in a question I wrote to the best of my grammar ability. And just in the last ten minutes I myself have been tempted to oh-so-smoothly (yet condescendingly?) point out other people's spelling and grammar errors three or four times. Whether that was a reaction to my own experience or not, it makes me think such behavior is a real and dangerous risk.
Like in the domain name suggestions thread where "GrammarNazi.Com" was seriously voted down because it has all the wrong connotations, I think some clear guidelines are necessary to help this place NOT be full of
such people experiences that elicit such a label.
Maybe this isn't the fully correct place to mention it (so please tell me if so and I'll move the content) but I've also had one of my honest questions voted down without an explanation. Really? I remember pondering the question a full twelve years ago and wishing I knew the answer. It was a natural question to ask after finding the site. What gives?
There is a real risk in my mind of people experiencing a lot of negativity, here. On Stack Overflow, the focus is on solving problems. Also, there are often many, many good solutions to the same programming problem. But in many cases there is only one "right answer" in grammar and the focus can easily be on correcting mistakes. This naturally appeals to the intellectual (yet egotistical) elite who all too often want to both display their skills and smack down others in order to feel superior. It also makes it easier to take voted-down questions personally (which I am doing about my question because I honestly can't imagine what someone could object to about it). If I really didn't know the answer, and there's any kind of substantive grammar answer possible, how can asking the question be worth punishing?
Note: I am not suggesting all unasked-for corrections be banned. The point is how things are done. A simple "FYI: fait accompli should be italicized" or even editing the post to fix the problem is a lot better than making a comment or wisecrack that leaves the person possibly less than happy.
I just found Should we correct (or point out) language errors in questions? which addresses this. To me there isn't enough emphasis in that question on the negative side-effects of correcting people's grammar tactlessly.
Feel free to edit my answer to fix grammar. No comment necessary.