An in-text link to an external file that provides supplementary information for the document, for example, an audio clip
<!ELEMENT inline-supplementary-material (#PCDATA %inline-supplementary-material-elements;)* >
Any combination of:
<aff> Affiliation; <alt-title> Alternate Title; <article-title> Article Title; <attrib> Attribution; <bold> Bold; <comment> Comment in a Citation; <def-head> Definition List: Definition Head; <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; <product> Product Information; <sans-serif> Sans Serif; <sc> Small Caps; <strike> Strike Through; <sub> Subscript; <subtitle> Article Subtitle; <sup> Superscript; <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
<article>
<front>...</front>
<body>
<p>...</p>
<fig id="F1">...</fig>
<supplementary-material id="S1" xmlns:xlink="http://www.w3.org/1999/xlink"
xlink:title="local_file" xlink:href="1471-2105-1-1-s1.pdf"
mimetype="applicationn/pdf">
<label>Additional material</label>
<caption>
<p>Supplementary PDF file supplied by authors.</p>
</caption>
</supplementary-material>
<p>RNAPs seem to have arisen twice in evolution
(see the <inline-supplementary-material
xmlns:xlink="http://www.w3.org/1999/xlink"
xlink:title="local_file" xlink:href="timeline">
Timeline</inline-supplementary-material>. A large
family of multisubunit RNAPs includes bacterial
enzymes, archeal enzymes, eukaryotic nuclear RNAPs,
plastid-encoded chloroplast RNAPs, and RNAPs from
some eukaryotic viruses. ...</p>
...
</body>
<back>...</back>
</article>
link.ent