That is not a page of the Manual of Style I asked immediately after the datedelinking  decision whether it covered the Naming Conventions now Article Titles and was told that it doesnt  I have been editing them for the year My impatience was because there has been a steady stream of questions why American municipalities differ from others and a clear answer which we have had to repeat  every time the talk paqe was refreshed  The reasons for the present wording are clear but long buried in the archives the purpose of guidelines is so we dont have to repeat ourselves Time to put it in the guideline