A container element to hold punctuation or other generated text, typically when
This element is called “x” for historical reasons, since Tag Sets that use an element for generated punctuation have typically called it that.
<!ELEMENT x (#PCDATA %x-elements;)* >
(#PCDATA | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | named-content | styled-content | sub | sup | x)*
Any combination of:
<abbrev>, <abbrev-journal-title>, <abstract>, <access-date>, <ack>, <address>, <addr-line>, <aff>, <alt-title>, <anonymous>, <app>, <app-group>, <article-meta>, <article-title>, <attrib>, <author-notes>, <award-id>, <bio>, <body>, <bold>, <boxed-text>, <chapter-title>, <chem-struct>, <collab>, <comment>, <compound-kwd-part>, <conf-acronym>, <conf-date>, <conference>, <conf-loc>, <conf-name>, <conf-num>, <conf-sponsor>, <conf-theme>, <contrib>, <contrib-group>, <copyright-holder>, <copyright-statement>, <corresp>, <country>, <date-in-citation>, <def-head>, <def-item>, <def-list>, <degrees>, <disp-formula>, <disp-quote>, <edition>, <element-citation>, <email>, <etal>, <ext-link>, <fax>, <fn-group>, <front-stub>, <funding-source>, <funding-statement>, <given-names>, <glossary>, <gov>, <history>, <inline-formula>, <inline-supplementary-material>, <institution>, <isbn>, <issn>, <issue>, <issue-part>, <issue-sponsor>, <issue-title>, <italic>, <journal-subtitle>, <journal-title>, <kwd>, <kwd-group>, <label>, <license-p>, <list>, <long-desc>, <meta-name>, <meta-value>, <mixed-citation>, <monospace>, <named-content>, <notes>, <on-behalf-of>, <overline>, <p>, <part-title>, <patent>, <person-group>, <phone>, <prefix>, <preformat>, <product>, <pub-date>, <publisher-loc>, <publisher-name>, <ref>, <ref-list>, <related-article>, <related-object>, <role>, <roman>, <sans-serif>, <sc>, <sec>, <self-uri>, <series>, <series-text>, <series-title>, <sig>, <sig-block>, <size>, <source>, <speaker>, <std>, <strike>, <string-conf>, <string-date>, <string-name>, <styled-content>, <sub>, <subject>, <subtitle>, <suffix>, <sup>, <supplement>, <surname>, <table-wrap-foot>, <target>, <td>, <term>, <term-head>, <th>, <time-stamp>, <title>, <trans-abstract>, <trans-source>, <trans-subtitle>, <trans-title>, <underline>, <unstructured-kwd-group>, <uri>, <verse-line>, <volume>, <volume-id>, <volume-series>, <x>, <xref>
In an element-style bibliographic reference (punctuation and spacing removed):
...
<ref>
<label>13</label><x>. </x>
<element-citation publication-type="journal"
publication-format="print">
<collab>American College of Dentists, Board of
Regents</collab>
<article-title>The ethics of quackery and fraud
in dentistry: a position paper</article-title>
<source>J Am Coll Dent</source>
<year>2003</year>
<volume>70</volume>
<issue>3</issue>
<fpage>6</fpage>
<lpage>8</lpage>
</element-citation>
</ref>
...
In a mixed-style bibliographic reference (punctuation and spacing preserved):
...
<ref>
<label>13</label><x>. </x>
<mixed-citation publication-type="journal"
publication-format="print">
<collab>American College of Dentists, Board of
Regents</collab>. <article-title>The ethics of
quackery and fraud in dentistry: a position
paper</article-title>. <source>J Am Coll
Dent</source>. <year>2003</year>;
<volume>70</volume>(<issue>3</issue>):
<fpage>6</fpage>-<lpage>8</lpage>.</mixed-citation>
</ref>
...
In a <kwd-group>:
... <kwd-group id="h1001"> <title>Key words.</title> <kwd>Agricultural landscape</kwd><x>, </x> <kwd>Akaike weights</kwd><x>, </x> <kwd>amphibians</kwd><x>, </x> <kwd>geographical range boundary</kwd><x>, </x> <kwd>habitat loss and fragmentation</kwd><x>, </x> <kwd>mammals</kwd><x>, </x> <kwd>niche breadth</kwd><x>, </x> <kwd>vertebrates</kwd><x>.</x> </kwd-group> ...
In a <def-list>:
... <def-list list-type="simple"> <def-item> <term>AFLP</term><x>, </x> <def><p>Amplified Length Polymorphism</p></def> </def-item><x>; </x> <def-item> <term>AG</term><x>, </x> <def><p>Anastomosis Groups</p></def> </def-item><x>; </x> <def-item> <term>BSC</term><x>, </x> <def><p>Biological Species Concept</p></def> </def-item><x>; </x> <def-item> <term>EDH</term><x>, </x> <def><p>Enviromental Deterministic Hypothesis</p></def> </def-item><x>; </x> <def-item> <term>FS</term><x>, </x> <def><p>Female-Sterile</p></def> </def-item><x>.</x> </def-list> ...
common3.ent