The head element is available in 2 different versions.
The head element contains information about the current
document. This information is typically not considered document content.
This element can not contain text. It may contain the following children: link, meta and mods:mods.
http://www.daisy.org/z3986/2010/
This element belongs to the core grammar.
| Name | Presence | Description |
|---|---|---|
| about | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: One of • value(s) of type
anyURI • value(s) of type
string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| class | Optional |
The Z39.86 class attribute inherits all fundamental
properties of the XHTML class attribute. It is
used for arbitrary grouping or classification of elements, usable for
example in the context of
CSS styling.
The class attribute is not used to inflect semantics on the content of elements. Value: Some value of type NMTOKENS
|
| content | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: Any string |
| datatype | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: Some value of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| property | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| rel | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| resource | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: One of • value(s) of type
anyURI • value(s) of type
string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| rev | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| typeof | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| its:dir | Optional |
The its:dir attribute is used to specify the base writing
direction of the content. If not specified, the default value
ltr is assumed.
Consult Internationalization Tag Set (ITS) for further information. This attribute belongs to the feature «ITS Ruby» Value: One of •
lro •
ltr •
rlo •
rtl |
| xml:base | Optional |
The xml:base attribute is used to specify a base URI other
than the base URI of the document or external entity.
Consult XML Base for further information. Value: Some value of type anyURI
|
| xml:id | Optional |
The xml:id attribute specifies a
document-wide unique identifier of the element. Consult xml:id Version 1.0 for further information. Value: Some value of type ID
|
| xml:lang | Optional |
The xml:lang attribute is used to identify
the natural or formal language in which the content is written.
Consult Extensible Markup Language (XML) 1.0 for further information. Value: Some value of type language
|
| xml:space | Optional |
The xml:space attribute is used to signal an intention
that element white space should be preserved by applications.
If not specified, the default value "default" is assumed. Consult Extensible Markup Language (XML) 1.0 for further information. Value: One of •
default •
preserve |
The head element contains information about the current
document. This information is typically not considered document content.
This element can not contain text. It may contain the following children: meta.
http://www.daisy.org/z3986/2010/
This element belongs to the core grammar.
| Name | Presence | Description |
|---|---|---|
| about | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: One of • value(s) of type
anyURI • value(s) of type
string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| class | Optional |
The Z39.86 class attribute inherits all fundamental
properties of the XHTML class attribute. It is
used for arbitrary grouping or classification of elements, usable for
example in the context of
CSS styling.
The class attribute is not used to inflect semantics on the content of elements. Value: Some value of type NMTOKENS
|
| content | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: Any string |
| datatype | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: Some value of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| property | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| rel | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| resource | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: One of • value(s) of type
anyURI • value(s) of type
string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| rev | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| typeof | Optional | This attribute is part of the RDF/a metadata attributes
collection. For more information on the usage of RDF/a, consult the W3C
RDF/a primer.
Value: A white space separated list of one or more value(s) of type string satisfying
• the pattern "
(([\i-[:]][\c-[:]]*)?:)?.+"
• a minimum length of 1
|
| its:dir | Optional |
The its:dir attribute is used to specify the base writing
direction of the content. If not specified, the default value
ltr is assumed.
Consult Internationalization Tag Set (ITS) for further information. This attribute belongs to the feature «ITS Ruby» Value: One of •
lro •
ltr •
rlo •
rtl |
| xml:base | Optional |
The xml:base attribute is used to specify a base URI other
than the base URI of the document or external entity.
Consult XML Base for further information. Value: Some value of type anyURI
|
| xml:id | Optional |
The xml:id attribute specifies a
document-wide unique identifier of the element. Consult xml:id Version 1.0 for further information. Value: Some value of type ID
|
| xml:lang | Optional |
The xml:lang attribute is used to identify
the natural or formal language in which the content is written.
Consult Extensible Markup Language (XML) 1.0 for further information. Value: Some value of type language
|
| xml:space | Optional |
The xml:space attribute is used to signal an intention
that element white space should be preserved by applications.
If not specified, the default value "default" is assumed. Consult Extensible Markup Language (XML) 1.0 for further information. Value: One of •
default •
preserve |