I am editing a book with Calibre and it seems perfect with Calibre reader, but when I save it and I open the epub using IceCream it shows me mistakes, I trying to discover why. Any comments? Thank you!
Try the following:
Open the book with Calibre Editor and click Run check followed by Try to correct all fixable errors automatically.
Download pagina EPUB-Checker and check your book with it.
Some read soft (or ereaders) ignore css rules, for example: you can add space after/before of any tag, in ADE you can see it but not in others (that's the reason to use
<p> </p> to make lines); other one is when you use h3 without text inside (for to many reasons)
<h3> </h3> some readers ignored it, so you must add a non breaking space inside the h3 tag:
I never used IceCream so I don't know where is the problem, try to explain what type of errors or if is a "visual" error.