Schema Documentation - DIAGRAM Description Profile
version 1.0

The meta element

On this page:

The meta element expresses metadata information about the document, a document fragment or an external resource associated with the document.

Usage details available in the Usage Details section.

Usage Example

        
<head>
    <meta rel="z3998:profile" resource="http://www.daisy.org/z3998/2012/auth/profiles/book/1.0">
        <meta property="z3998:name" content="book" />
        <meta property="z3998:version" content="1.0" />
    </meta>
    <meta rel="z3998:rdfa-context" resource="http://www.daisy.org/z3998/2012/vocab/context/default/" />
    <meta property="dc:identifier" content="int.daisy.book.12345" />
    <meta property="dc:publisher" content="DAISY Consortium" />
    <meta property="dc:date" content="2012-07-27T18:50:05Z" />
</head>

Allowed parents

head, d:head and meta

Allowed children

This element may contain text.

This element may contain the following children: abbr, annoref, annotation, ssml:break, char, citation, code, d, definition, emph (text variant), emph (phrase variant), expansion, rend:linebreak, ln, m:math, meta, name, note, noteref, num, object (text variant), object (phrase variant), pagebreak, ssml:phoneme (text variant), ssml:phoneme (phrase variant), ssml:prosody (text variant), ssml:prosody (phrase variant), quote, ref, its:ruby, s, ssml:say-as (text variant), ssml:say-as (phrase variant), span (text variant), span (phrase variant), sub, ssml:sub (text variant), ssml:sub (phrase variant), sup, term, time, ssml:token (text variant), ssml:token (phrase variant) and w

Content model and additional requirements

optional attributes: @class, @its:dir, @its:translate, @xml:base, @xml:id, @xml:lang and @xml:space
a choice of
either @typeof
or
@rel
@resource
zero or more of meta
or
@rev
@resource
zero or more of meta
or
@property
@content
zero or more of meta
or
@about
@property
@content
zero or more of meta
or
@about
@typeof
@content
zero or more of meta
or
first @property
followed by one or more of
a choice of
either one of the 45 elements: abbr, annoref, annotation, char, citation, code, d, definition, emph, emph, expansion, its:ruby, ln, m:math, name, note, noteref, num, object, object, pagebreak, quote, ref, rend:linebreak, s, span, span, ssml:break, ssml:break, ssml:phoneme, ssml:phoneme, ssml:prosody, ssml:prosody, ssml:say-as, ssml:say-as, ssml:sub, ssml:sub, ssml:token, ssml:token, sub, sup, term, time, w or w
or text
end of choice
or
first @about
followed by @property
followed by one or more of
a choice of
either one of the 45 elements: abbr, annoref, annotation, char, citation, code, d, definition, emph, emph, expansion, its:ruby, ln, m:math, name, note, noteref, num, object, object, pagebreak, quote, ref, rend:linebreak, s, span, span, ssml:break, ssml:break, ssml:phoneme, ssml:phoneme, ssml:prosody, ssml:prosody, ssml:say-as, ssml:say-as, ssml:sub, ssml:sub, ssml:token, ssml:token, sub, sup, term, time, w or w
or text
end of choice
or
first @about
followed by @typeof
followed by one or more of
a choice of
either one of the 45 elements: abbr, annoref, annotation, char, citation, code, d, definition, emph, emph, expansion, its:ruby, ln, m:math, name, note, noteref, num, object, object, pagebreak, quote, ref, rend:linebreak, s, span, span, ssml:break, ssml:break, ssml:phoneme, ssml:phoneme, ssml:prosody, ssml:prosody, ssml:say-as, ssml:say-as, ssml:sub, ssml:sub, ssml:token, ssml:token, sub, sup, term, time, w or w
or text
end of choice
or
@typeof
zero or more of meta
end of choice
Note that in addition to restrictions presented in the content model above, use of this element must also respect the following requirement:
  • The meta content attribute must neither be empty nor contain only whitespace.
Such requirements take precedence over any conflicting statements in the content model or in the lists above of allowed children and parents.

Namespace

http://www.daisy.org/ns/z3998/authoring/

Usage Details

Acceptable methods for specifying the value of a meta element include:

It is not valid to employ both methods for the same element. If no value is specified, the meta element either expresses a specialized metadata function or is a container for one or more child meta elements.