I am creating an HTML widget in the new iBooks Author format(.iba) that will be able to link to content within the book. In the epub3 format, I would just link to an .xhtml page that contains the content, but since the new .iba format is flow-able and there are no actual pages, how can I link to content within the book?
I discovered an article(http://www.tameri.com/wordpress/2012/02/23/some-thoughts-in-ibooks-author/) that mentioned linking to some element on the page with a specific ID, but I am not sure how to get the ID onto an element in iBooks Author.
How do I link to a specific section of an iBook from an iBook HTML Widget?