[relaxng-user] MIME type for RELAX NG

[MURATA Makoto (FAMILY Given)]

Jonh,

> I would question why we need a MIME type for the RNG compact syntax.
> We do not have one for other "compact" syntaxes such as C or Pascal or
> Fortran.  We have one for CSS only because the HTML link element (and
> its XML analogue, the xml-stylesheet PI) overload the MIME-type in the
> case of stylesheet languages to designate the language.

The biggest reason is DSDL Part 4 (Namespace-based Validaiton Dispatching 
Language), a predecessor of which is NRL by James Clark.   A NVDL or NRL 
schema may reference to external schemas in any schema language.  When 
an external schema is written in the XML syntax, we can rely on the namespace 
of the root element.  When it is written in any other syntax, we need a 
mechanism to tell which schema language is in use.   NVDL and NRL use 
media types for this purpose.

Cheers,

Cheers,
-- 
MURATA Makoto (FAMILY Given) <EB2M-MRT at asahi-net.or.jp>