Codice PHP:
<!ENTITY % dtd-version
"dtd-version
CDATA #FIXED '3.0'" >
<!-- Attributes for the top-level element
<article> -->
<!ENTITY % article-atts
"article-type
CDATA #IMPLIED
%dtd-version;
xml:lang NMTOKEN 'en'
%XLINK.xmlns.attrib;
%MATHML.xmlns.attrib;
%Schema.xmlns.attrib;" >
<!ENTITY % sub-article-atts
"article-type
CDATA #IMPLIED
id ID #IMPLIED
xml:lang NMTOKEN 'en'" >
<!ENTITY % response-atts
"response-type
CDATA #IMPLIED
id ID #IMPLIED
xml:lang NMTOKEN 'en'" >
<!-- Article-like model used for, for example,
a short sub-article such as a news brief that
is contained in side a journal article.
-->
<!ENTITY % article-short-model
"((front | front-stub), body?, back?,
floats-group?)" >
<!-- Typical journal article model, which may
contain extended components, such as
sub-articles or responses, but which usually
contains neither.
-->
<!ENTITY % article-full-model
"(front, body?, back?, floats-group?,
(sub-article* | response*) )" >
<!-- The complete content of a journal article.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=article[/url]
-->
<!ELEMENT article %article-full-model; >
<!ATTLIST article
%article-atts; >
<!-- Model for the <front> matter (the header
metadata) of a journal article) -->
<!ENTITY % front-model "(journal-meta, article-meta,
(%front-back.class;)? )" >
<!-- The metadata concerning an article, such as
the name and issue of the journal in which it
appears and the name and author(s) of the
article.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=front[/url]
-->
<!ELEMENT front %front-model; >
<!-- Content model for the Body (main textual
content) of a journal article. -->
<!ENTITY % body-model "((%para-level;)*, (%sec-level;)*,
sig-block?)" >
<!-- The main textual portion of the article that
conveys the content.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=body[/url]
-->
<!ELEMENT body %body-model; >
<!-- Content model for the Back Matter (ancillary
material such as appendices) of a journal
article. -->
<!ENTITY % back-model "(label?, title*, (%doc-back-matter-mix;)* )">
<!-- Ancillary or supporting material not included
as part of the main textual content of a
journal article, for example appendices and
acknowledgments.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=back[/url]
-->
<!ELEMENT back %back-model; >
<!-- Content model for the <sub-article> element
-->
<!ENTITY % sub-article-model
"((front | front-stub), body?, back?,
floats-group?,
(sub-article* | response*) )" >
<!-- An article that is completely contained
inside another article. Both the article and
the sub-article have their own metadata.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=sub-article[/url]
-->
<!ELEMENT sub-article %sub-article-model; >
<!ATTLIST sub-article
%sub-article-atts; >
<!-- Content model for the <front-stub> element,
a reduced metadata set for use in
sub-articles and responses -->
<!ENTITY % front-stub-model
"(article-id*, article-categories?,
title-group?, (contrib-group | aff)*,
author-notes?, pub-date*,
volume?, volume-id*, volume-series?,
issue?, issue-id*, issue-title*,
issue-sponsor*, issue-part?, isbn*,
supplement?,
((fpage, lpage?, page-range?) |
elocation-id)?,
(%address-link.class; | product |
supplementary-material)*, history?,
permissions?, self-uri*, related-article*,
abstract*, trans-abstract*, kwd-group*,
funding-group*, conference*, counts?,
custom-meta-group?)" >
<!-- A reduced metadata set for use in
sub-articles and responses, which will
inherit metadata not defined in the stub
from the enclosing article
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=front-stub[/url]
-->
<!ELEMENT front-stub %front-stub-model; >
<!-- Reply, response, or commentary concerning the
journal article. In the typical case, the
response is included in the same XML package
as the original article, and thus attached
at the end of the article proper.
Details at:
[url]http://dtd.nlm.nih.gov/publishing/tag-library/3.0/index.html?elem=response[/url]
-->
<!ELEMENT response %article-short-model; >
<!ATTLIST response
%response-atts; >