A word or phrase whose content/subject matter has special semantics or content-related significance. In print or display, such content is likely to be treated differently, for example, given a special typographic style such as italics or background shading.
The content-type attribute can be used to identify the subject or type of content that makes this word or phrase semantically special and, therefore, to be treated differently. For example, this attribute could be used to identify a drug name, company name, or product name. It could be used to define systematics terms, such as genus, family, order, or suborder. It could also be used to identify biological components, such as gene, protein, or peptide. It could be used to name body systems, such as circulatory or skeletal. Therefore, values may include information classes, semantic categories, or types of nouns such as “generic-drug-name”, “genus-species”, “gene”, “peptide”, “product”, etc.
<!ELEMENT named-content (#PCDATA %named-content-elements;)* >
Any combination of:
<addr-line> Address Line; <alt-title> Alternate Title; <article-title> Article Title; <attrib> Attribution; <bold> Bold; <citation> Citation; <collab> Collaborative (Group) Author; <comment> Comment in a Citation; <conf-theme> Conference Theme; <contract-sponsor> Contract Sponsor; <def-head> Definition List: Definition Head; <grant-num> Grant Number; <grant-sponsor> Grant Sponsor; <italic> Italic; <meta-name> Metadata Data Name for Custom Metadata; <meta-value> Metadata Data Value for Custom Metadata; <monospace> Monospace Text (Typewriter Text); <named-content> Named Special (Subject) Content; <overline> Overline; <p> Paragraph; <preformat> Preformatted Text; <product> Product Information; <sans-serif> Sans Serif; <sc> Small Caps; <strike> Strike Through; <sub> Subscript; <subtitle> Article Subtitle; <sup> Superscript; <supplement> Supplement Information; <td> Table Data Cell (XHTML table model); <term> Definition List: Term; <term-head> Definition List: Term Head; <th> Table Header Cell (XHTML table model); <title> Title; <trans-subtitle> Translated Subtitle; <trans-title> Translated Title; <underline> Underline; <verse-line> Line of a Verse
...
<p>Profiling of
<named-content content-type="genus-species">Escherichia
coli</named-content> chromosome (PEC) described in the
Database version 2.27. Last update 17 September
2003. Available at <ext-link ext-link-type="uri"
xlink:href="https://shigen.lab.nig.ac.jp/ecoli/
pec">http://shigen.lab.nig.ac.jp/ecoli/pec</ext-link>
via the Internet Accessed: 5 November 2003</p>
...
phrase.ent