You may, or may not have read the Terms of Service, but these two rules might interest you.
* No slang words that promote laziness, ie; "r", "u", "plz", etc. * Half decent grammar is expected. Use of capital letters starting sentences is looked upon favorably. Spelling half decently is also encouraged.
I still think that is irrelevant as this is an english only forum. Not saying you shouldn't cut a non english speaker some slack for trying to expand a bit, just that kindly mentioning the AUP and TOS is not out of line.