Additional data files that contain information directly supportive of the document, for example, an audio clip, movie, database, spreadsheet, applet, or other external file.
This element has a similar function to the audiovisual element in some DTDs and the unprinted-item element (used only for electronic files) in other DTDs.
The element is used in two senses: first, inside the article front matter as an alert to the existence of supplementary material; and second, as part of the textual flow, where it is similar to a Figure, in that it can be positioned as a floating or anchored object and may take a caption. In addition, the <supplementary-material> may identify its file type with the mimetype attribute.
The position attribute may be used to indicate whether this element must be anchored at its exact location within the text or whether it may float, for example, to the top of the next page, into the next column, to the end of a logical file, or within a separate window.
Authoring Note: Supplementary Material may contain a preview image (e.g., the first frame of a movie, tagged as a <graphic>), with the caption/preview placed in a manner similar to a Figure and a cross-reference made to the material from the text.
The following, in order:
<article> <front> ... </front> <body> <boxed-text> <title>Supplemental Material</title> <supplementary-material> <p>Movie clips to supplement this article are available online at <ext-link ext-link-type="uri">radiographics.rsnajnls.org/cgi/content/full/21/4/943/DC1 </ext-link>. </p> </supplementary-material> </boxed-text> <p>Anterior fontanelle imaging has traditionally been the mainstay of neonatal cranial ultrasonography (US). However, this traditional approach has limited diagnostic accuracy, ...</p>... </body> ...