When you insert endnotes and footnotes, each one ends with a 'special' paragraph marker that can't be deleted. So if you are trying to remove the final paragraph mark from the endnote you will have problems. Instead, remove the preceding ones, starting from the paragraph mark where the text ends, until you can't remove any more.

This is what Stefan was alluding to in telling you to use Backspace instead of Delete.

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Andrew Lockton
Chrysalis Design, Melbourne Australia