Re: [xml-dev] Documents, data and markup: YAML Ain't Markup Language

John Cowan <> writes:

> If we must have a rule, let it be:  In data-oriented applications, ignore
> unknown elements.  In document-oriented applications, replace an
> unknown element by its content.

I'd go one further: If you strip all markup and the document is still
human-readable, it's a document document.

Ari.