Used to mark unstructured text within an otherwise element-structured bibliographic reference (<citation>). In an unstructured bibliographic reference, this text would merely be data characters and not marked with a tag at all.
Since in the Journal Archiving and Interchange DTD, the model for <citation> is a loose model with data characters allowed everywhere, this element will rarely be needed. The Comment in a Citation element has been defined here largely for the sake of conversion, to preserve unusual bits of semantic markup when translating from other DTDs. Typical comments might include:
<comment>[Abstract]</comment> <comment>translated from Russian</comment>
Authoring and Conversion Note: The Comment in a Citation element should be used to mark substantive text only; it should not be used to markup punctuation that occurs between elements.
Any combination of:
No sample is available at this time.