Re: [docbook-apps] EPUB3: missing some meta data

Keith Fahlgren wrote:

> You can include the (somewhat deprecated) DCMES versions as well:
> http://idpf.org/epub/30/spec/epub30-publications.html#sec-opf-dcmes-optional
> 
> This (duplication) will help older EPUB 2 reading systems (and should
> probably be controlled with a parameter).

Actually I did use an EPUB2 (ebook-viewer of Calibre) reader to check
the resulting EPUB3 file. 
This might explain why I didn't see the (expected) metadata.

Regards
Michael