Does the document have a proper structure, for example, the use of Heading Styles for Topic / Person / Engineer and one or more different Styles for the remainder? If not, how is a macro supposed to recognise when Topic / Person / Engineer occurs, other than by a preceding <space> (by which I guess you mean an empty paragraph and never via paragraph formatting), especially if there's the potential for such spaces to occur elsewhere?

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]