- From: Rick Jelliffe <ricko@allette.com.au>
- Date: Mon, 23 Jun 1997 17:54:38 +1000
- To: <w3c-sgml-wg@w3.org>
(Previous version had 'W3C instead of Netscape: oops)
> MCF is Meta Content Framework, an application of XML proposed by
> Netscape. The drafts have been heavily reworked based on early
> feedback, check the spec out at:
>
> http://www.textuality.com/mcf/NOTE-MCF-XML.html
It is funny (perverse?) to see someone trying to define a structure
language without the help of a structure language, when one is
available. But I guess it is a sign of draftiness rather than
daftness :-)
Here is an stab at the MCF schema description language using WebSGML.
":" must be NMCHAR character.
Try doing this without parameter entities
Rick Jelliffe
<!-- ========================================== -->
<!-- Netscape Metadata Content Format (draft only)
-->
<!-- SCHEMA DEFINITION LANGUAGE -->
<!-- editors: R.V. Guha, Tim Bray
-->
<!-- (prep: Rick Jelliffe from draft W3C documentation)
-->
<!-- ========================================== -->
<!-- Example of good WebSGML headers for this DTD:
<?XML version="1.0x" rmd="internal" ?>
<!SGML public "IDN//W3C.ORG//SD XML 1.0//EN">
<!DOCTYPE #implied
public "IDN//Netscape.com//DTD MCF 1.0//EN"
SEEALSO
public "ISO 8879//NOTATION
Application Requirements for
XML//EN"
public "IDN//Netscape.com//NOTATION
Application Requirements for
MCF//EN"
"-//www.textuality.com/mcf/NOTE-MCF-XML.html"
[ <!EOR> ]>
-->
<!-- Note: ISO 9070-ish naming convention for parameter entities:
organisation::language::name
-->
<!-- =========================================== -->
<!-- Entity declarations used in this DTD: they are like macros -->
<!-- =========================================== -->
<!ENTITY % sun::java::primitive-data-types " " ><!-- err dunno -->
<!ENTITY % netscape::mcf::pimitive-data-types
" date | %java-primitive-data-types; ">
<!ENTITY % netscape::mcf::categories
" Content | CurrentContainer | Subject | WebSite
| Page | Agent | Organisation | Person
| TableOfContents| NaturalLanguage | Schedule ">
<!ENTITY % netscape::mcf::contents-stuff
" authorIndividual | authorOrganisation | author
| editor | publisher | contactAgent | copyright
| size | loadsize
| publicationDate| lastRevisionDate | expires
| contentUpdataSchedule | versionNumber
| contentDownloadSchedule
| nextUpdateTme | nextDownloadTime
| subject | language | toc
| siteHomePage | helpPage
| linksTo | includesContent
| contentMimeType | contentPartMimeTypes
| superTopic | objectIcon
| location | contentMirror | contentAvailabilityStatus
| accessMode | contentRating | contentCost ">
<!ENTITY % netscape::mcf::agent-stuff
" emailAddress | homePage | contactInformation ">
<!ENTITY % netscape::mcf::schedule-stuff
" scheduleStartDate | scheduleEndDate
| scheduleIntervalTime | scheduleEarliestTime ">
<!ENTITY % netscape::mcf::bookstrap-units
" typeOf | Category | Unit | name | parent
| domain | name | range | Sequence
| superType | PropertyType | functionalPropertyType
| superPropertyType | mutuallyDisjoint
| inherits | ord | Property " >
<!ENTITY % netscape::mcf::all-the-rest
" %netscape::mcf::contents-stuff; | %netscape::mcf::agent-stuff;
| %netscape::mcf::schedule-stuff; | %netscape::mcf::bootstrap-units;
"
| %netscape::mcf::primitive-data-types; " >
<!-- =========================================== -->
<!-- Declarations for the elements and attributes defined by MCF -->
<!-- =========================================== -->
<!ELEMENT xml-mcf ANY >
<!ELEMENT mcf-ref EMPTY>
<!ATTLIST mcf-ref
XML-LINK "SIMPLE" #FIXED
ROLE "XML-MCF-BLOCK" #FIXED
HREF CDATA #REQUIRED >
<!ELEMENT ( %netscape::mcf::categories; ) ANY >
<!ATTLIST ( %netscape::mcf::categories; )
id ID #IMPLIED>
<!ELEMENT ( %netscape::mcf::all-the-rest; ) ANY >
<!ATTLIST ( %netscape::mcf::all-the-rest
unit IDREF #IMPLIED
inverse (true | false ) false>
<!-- additional attribute for element type "inherits" -->
<!ATTLIST inherits
propertytype CDATA #REQUIRED>
<!-- =================================== EOF ====== -->
Received on Monday, 23 June 1997 03:55:40 UTC