Another example:
error message: 'dried-wild-mushrooms-anchor': fragment identifier is not defined in 'OEBPS/Cast Iron Cuisine ePub-48.xhtml'
code in 48.xhtml: <p class="ingredients" xml:lang="en-us">1 cup dried chanterelle mushrooms (see <span class="link-style"><a href="#dried-wild-mushrooms-anchor">Resources</a></span>)</p>