XID Continue - No
No is the designation for characters that are not permitted to continue an identifier in programming languages and text processing systems. This includes punctuation marks, symbols, spaces, and most special characters, as well as digits that appear outside their allowed positions. It also covers characters with no inherent alphabetic or numeric value, such as emoji, mathematical operators, and formatting controls, which would break the lexical rules of identifiers if used mid-token. Essentially, any character that does not contribute to a valid identifier’s continuation, meaning it cannot follow the first character and still maintain the identifier’s syntactic integrity, receives this value. This ensures that identifiers remain unambiguous and follow standard parsing conventions, rejecting anything from hyphens to quotation marks to invisible characters.