For information on what has changed,
see epubcheck 1.2 release candidate details.
Not exact matches
You're second error is also tough to diagnose without
seeing the file, but
epubcheck is rarely wrong.
Also
see our new
EPUBCHECK HELP page (http://smashwords.com/
epubcheck).
See the Style Guide for tips on how to correct
EPUBCHECK errors.
Also make sure your book passed
EPUBCHECK (
see next item below).
I
saw there is an app to download above, but I would prefer if the «original
epubcheck» included this.