Re: Concrete syntax, character sets

>I'm actually typing this from Japan, where I've spent the afternoon
>being shown some SGML work done here in the context of language
>research, and it is noticeable that all the LOCALLY-produced DTDs use
>the full 16-bit Japanese character set for markup, otherwise the
>students couldn't always understand the markup.

One more reason is zenkaku/hankaku spaces etc....