Yes, and with dots it would be less obvious that people are reinventing the whole XML ecosystem. Someone should design a meta-language (probably based on s-exp

Yes, and with dots it would be less obvious that people are reinventing the whole XML ecosystem. Someone should design a meta-language (probably based on s-expressions) that would easily represent all Object Notations and Markup Languages and an XPath/XSLT meta-equivalent to rule 'em all.