that's the thing.
1) If you use simple HTML / EPUB majority of publications are good for printing.
2) Think about a relief of storing this documents on an ebook reader
This is a problem. PDF supports "all". Epub would have to have equivalent support, as well as native support in most/all vanilla OS distributions to be a real competitor for PDF.
> Think about a relief of storing this documents on an ebook reader
For many people this is their phone or tablet. Both of which support PDFs as well (as do many standalone ebook readers). You also don't have to get an extra app to view the PDFs.
Majority of publications are simple text with few tables or diagrams. We don't need complex typesetting for that. Printing from EPUB should be good.
You always need an extra app to view PDF. It's either installed by default or not. Phones, tablets, and other screen devices have available EPUB, MOBI, HTML browsers to install.
This is a problem. PDF supports "all". Epub would have to have equivalent support, as well as native support in most/all vanilla OS distributions to be a real competitor for PDF.
> Think about a relief of storing this documents on an ebook reader
For many people this is their phone or tablet. Both of which support PDFs as well (as do many standalone ebook readers). You also don't have to get an extra app to view the PDFs.