If the e-book material starts off with formatting such as superscripting for footnotes, it would be far easier to use Find/Replace (even in a macro) to delete them at that point - or even convert them to real footnotes (since, presumably, you have the footnote content that goes with them) - than to try to do it after the formatting has been removed. The same applies to processing any other formatted content.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]