The language-lawyer tag has the excerpt: For questions about the intricacies of formal or authoritative specifications of programming languages. My edit adding this tag to a question about icalendar was reverted, because iCalendar isn't a programming language. Per the letter of the tag wiki, this is correct: programming-languaginess is a spectrum, and iCal – being less languagey than HTML – probably doesn't qualify. However, in practice the tag's used for lawyering about a variety of thin...