// from the document. It is used indirectly, via BiblioInfo::makeCitationLables,
// by both XHTML and plaintext output. So, if we change what goes into the TOC,
// then we will also need to change that routine.
// from the document. It is used indirectly, via BiblioInfo::makeCitationLables,
// by both XHTML and plaintext output. So, if we change what goes into the TOC,
// then we will also need to change that routine.