Some journal tag sets allow for metadata above and beyond that which can be specified by this Tag Set. This element is used to capture a metadata element that has not been defined explicitly in the models for this Tag Set, so that the intellectual content will not be lost.
The <custom-meta> element allows for an infinite variety of name/value pairs, with few constraints on the length or content of the value. This element will probably be used for special cases, product-specific material, or other unusual metadata, for example, the journal-history information preserved in at least one publisher’s tag set.
<!ELEMENT custom-meta %custom-meta-model; >
(meta-name, meta-value)
The following, in order:
...
<front>
<journal-meta>
<journal-id>BioDiv Mut</journal-id>
<journal-title-group>
<journal-title>Biodiversity & Mutation</journal-title>
</journal-title-group>
<issn>...</issn>
</journal-meta>
<article-meta>
<title-group>
<article-title>Black Smokers Sufrous Life</article-title>
</title-group>
<pub-date><year>2009</year></pub-date>
<fpage>87</fpage><lpage>93</lpage>
<custom-meta-group>
<custom-meta>
<meta-name>prev-journal-title</meta-name>
<meta-value>Evolution of Biodiversity</meta-value>
</custom-meta>
</custom-meta-group>
</article-meta>
</front>
...
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