xml:base

<div>
  <h3>base (as an attribute name)</h3>
  <p>denotes an attribute whose value provides a URI to be used as the base for interpreting any relative URIs in the scope of the element on which it appears; its value is inherited. This name is reserved by virtue of its definition in the XML Base specification.</p>
  <p>See
    <a href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>for information about this attribute.</p>
</div>

Attribute Information

Used By

Elements abbrev, abbrev-journal-title, abstract, access-date, ack, addr-line, address, aff, aff-alternatives, ali:free_to_read, ali:license_ref, 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, overline-end, overline-start, 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, rp, 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-conf, 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, target, 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, underline-end, underline-start, unstructured-kwd-group, uri, verse-group, verse-line, version, volume, volume-id, volume-issue-group, volume-series, word-count, x, xref, year
Attribute Group xml:specialAttrs

Source

<xs:attribute name="base" type="xs:anyURI">
  <xs:annotation>
    <xs:documentation>
      <div>
        <h3>base (as an attribute name)</h3>
        <p>denotes an attribute whose value provides a URI to be used as the base for interpreting any relative URIs in the scope of the element on which it appears; its value is inherited. This name is reserved by virtue of its definition in the XML Base specification.</p>
        <p>See
          <a href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>for information about this attribute.</p>
      </div>
    </xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample