Have you tried saving as .mif and searching for that font?
On Wed, Jan 23, 2013 at 4:06 PM, Karen Robbins <karendesign at gmail.com> wrote: > A file (generated file from a plain text source) keeps displaying the > "unavailable fonts" error each time it opens. > > I've run Silicoin Prairie's Paragraph Tools on this file, and the only font > it finds in the file is HelveticaNeueLT Std--exactly as it should be. I've > checked the master pages (four)--no hidden text boxes; and the reference > page (one)--nothing else there. > > What could the error be pointing to?