The head element contains information about the current
document or fragments thereof. This information is typically not considered document content.
<head>
<meta rel="z3986:profile" resource="http://www.daisy.org/z3986/2010/ai/profiles/book/1.0/"/>
…
</head>
This element can not contain text. It may contain the following children: definition, expansion, meta and xforms:model.
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 | 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 | Value: Some value of type anyURI
|
| xml:id | Optional | 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: One of • value(s) of type
language • one of:
af, az, be, bg, bo, bs, ca, ce, cs, cy, da, de, el, en, eo, es, et, eu, fa, ff, fi, fj, fo, fr, fy, ga, gd, gl, gn, gu, gv, ha, he, hi, ho, hr, ht, hu, hy, hz, ia, id, ie, ig, ii, ik, in, io, is, it, iu, iw, ja, ji, jv, jw, ka, kg, ki, kj, kk, kl, km, kn, ko, kr, ks, ku, kv, kw, ky, la, lb, lg, li, ln, lo, lt, lu, lv, mg, mh, mi, mk, ml, mn, mo, mr, ms, mt, my, na, nb, nd, ne, ng, nl, nn, no, nr, nv, ny, oc, oj, om, or, os, pa, pi, pl, ps, pt, qu, rm, rn, ro, ru, rw, sa, sc, sd, se, sg, sh, si, sk, sl, sm, sn, so, sq, sr, ss, st, su, sv, sw, ta, te, tg, th, ti, tk, tl, tn, to, tr, ts, tt, tw, ty, ug, uk, ur, uz, ve, vi, vo, wa, wo, xh, yi, yo, za, zh or zu |
| xml:space | Optional | Value: One of •
default •
preserve |