id
Document Internal Identifier
Unique internal identifier of an element; allows element to be cross-referenced (made into a link). Value must be unique across
a document, not just for an element type.
| Value |
Meaning |
| An XML identifier (ID) |
A unique identifier for the element. XML parsers can verify that an element pointing to one of these is pointing to a valid
ID.
|
| Restriction: @id is required; it must be provided if the element is used.
|
<abbrev>,
<abbrev-journal-title>,
<abstract>,
<access-date>,
<ack>,
<addr-line>,
<address>,
<aff>,
<aff-alternatives>,
<alt-text>,
<alt-title>,
<alternatives>,
<annotation>,
<anonymous>,
<app>,
<app-group>,
<array>,
<article>,
<article-categories>,
<article-id>,
<article-meta>,
<article-title>,
<attrib>,
<author-comment>,
<author-notes>,
<award-group>,
<award-id>,
<back>,
<bio>,
<body>,
<bold>,
<boxed-text>,
<break>,
<caption>,
<chapter-title>,
<chem-struct>,
<chem-struct-wrap>,
<citation-alternatives>,
<city>,
<code>,
<col>,
<colgroup>,
<collab>,
<collab-alternatives>,
<comment>,
<compound-kwd>,
<compound-kwd-part>,
<compound-subject>,
<compound-subject-part>,
<conf-acronym>,
<conf-date>,
<conf-loc>,
<conf-name>,
<conf-num>,
<conf-sponsor>,
<conf-theme>,
<conference>,
<contrib>,
<contrib-group>,
<contrib-id>,
<copyright-holder>,
<copyright-statement>,
<copyright-year>,
<corresp>,
<count>,
<country>,
<counts>,
<custom-meta>,
<custom-meta-group>,
<data-title>,
<date>,
<date-in-citation>,
<day>,
<def>,
<def-head>,
<def-item>,
<def-list>,
<degrees>,
<disp-formula>,
<disp-formula-group>,
<disp-quote>,
<edition>,
<element-citation>,
<elocation-id>,
<email>,
<equation-count>,
<era>,
<etal>,
<ext-link>,
<fax>,
<fig>,
<fig-count>,
<fig-group>,
<fixed-case>,
<floats-group>,
<fn>,
<fn-group>,
<fpage>,
<front>,
<front-stub>,
<funding-group>,
<funding-source>,
<funding-statement>,
<given-names>,
<glossary>,
<glyph-data>,
<glyph-ref>,
<gov>,
<graphic>,
<history>,
<hr>,
<inline-formula>,
<inline-graphic>,
<inline-supplementary-material>,
<institution>,
<institution-id>,
<institution-wrap>,
<isbn>,
<issn>,
<issn-l>,
<issue>,
<issue-id>,
<issue-part>,
<issue-sponsor>,
<issue-title>,
<italic>,
<journal-id>,
<journal-meta>,
<journal-subtitle>,
<journal-title>,
<journal-title-group>,
<kwd>,
<kwd-group>,
<label>,
<license>,
<license-p>,
<list>,
<list-item>,
<long-desc>,
<lpage>,
<media>,
<meta-name>,
<meta-value>,
<milestone-end>,
<milestone-start>,
<mixed-citation>,
<monospace>,
<month>,
<name>,
<name-alternatives>,
<named-content>,
<nested-kwd>,
<nlm-citation>,
<note>,
<notes>,
<object-id>,
<on-behalf-of>,
<open-access>,
<overline>,
<p>,
<page-count>,
<page-range>,
<part-title>,
<patent>,
<permissions>,
<person-group>,
<phone>,
<postal-code>,
<prefix>,
<preformat>,
<price>,
<principal-award-recipient>,
<principal-investigator>,
<private-char>,
<product>,
<pub-date>,
<pub-id>,
<publisher>,
<publisher-loc>,
<publisher-name>,
<rb>,
<ref>,
<ref-count>,
<ref-list>,
<related-article>,
<related-object>,
<response>,
<role>,
<roman>,
<rt>,
<ruby>,
<sans-serif>,
<sc>,
<season>,
<sec>,
<sec-meta>,
<self-uri>,
<series>,
<series-text>,
<series-title>,
<sig>,
<sig-block>,
<size>,
<source>,
<speaker>,
<speech>,
<state>,
<statement>,
<std>,
<std-organization>,
<strike>,
<string-date>,
<string-name>,
<styled-content>,
<sub>,
<sub-article>,
<subj-group>,
<subject>,
<subtitle>,
<suffix>,
<sup>,
<supplement>,
<supplementary-material>,
<surname>,
<table>,
<table-count>,
<table-wrap>,
<table-wrap-foot>,
<table-wrap-group>,
<tbody>,
<td>,
<term>,
<term-head>,
<tex-math>,
<textual-form>,
<tfoot>,
<th>,
<thead>,
<time-stamp>,
<title>,
<title-group>,
<tr>,
<trans-abstract>,
<trans-source>,
<trans-subtitle>,
<trans-title>,
<trans-title-group>,
<underline>,
<uri>,
<verse-group>,
<verse-line>,
<version>,
<volume>,
<volume-id>,
<volume-issue-group>,
<volume-series>,
<word-count>,
<xref>,
<year>
| Value |
Meaning |
| An XML identifier (ID) |
A unique identifier for the element. XML parsers can verify that an element pointing to one of these is pointing to a valid
ID.
|
| Restriction: @id is an optional attribute; there is no default.
|
...
<fn-group>
<fn id="TF1150"><p>Data not available for 1 trial.</p></fn>
<fn id="TF1-151"><p>P<0.05 (random effects model).</p></fn>
</fn-group>
...
...
<p>Allocation of tags to individual molecules is outlined in
<xref ref-type="fig" rid="F2" alt="figure two">Fig.&#x00A012;2</xref>.
First, the complete repertoire of tags ...</p>
<fig id="F2">...</fig>
...