Some DTDs and schemas allow for metadata above and beyond that which can be specified by this DTD. This element is a wrapper element used to contain all these additional metadata elements.
<!ELEMENT custom-meta-wrap %custom-meta-wrap-model; >
Custom Metadata <custom-meta>, one or more
...
<front>
<journal-meta>...</journal-meta>
<article-meta>
...
<pub-date><year>2004</year></pub-date>
<fpage>780</fpage><lpage>785</lpage>
<custom-meta-wrap>
<custom-meta>
<meta-name>journalsubtitle</meta-name>
<meta-value>for biotechnology professionals</meta-value>
</custom-meta>
</custom-meta-wrap>
</article-meta>
</front>
...
common.ent