Author: Stan Eisenstat
Subject: Re: [Cs323] Alphanumeric chars
Date: Wednesday, 21 Oct 2020, 20:08:38

    > Message Posted By: Unknown
    >
    > The spec states that
    >
    > > NAME is a maximal sequence of one or more alphanumeric or _
    > > characters that begins with an alphabetic or _ character
    >
    > I had taken alphanumeric to mean just letters and numbers, but it looks
    > like the staff solution does not return an error for the input ${A-}. What
    > is the full set of characters that can occur after the first character in
    > NAME?

${A-} is an instance of ${NAME-WORD}, not ${NAME}.

--Stan-