xsane include non-free code.
Please see trisquel bug number "10713" datails.
I think that this package be affected by trisquel bug number "10713".
non-free files list:
SRC RPM is:
1. remove non-free files and rebuild.
2. replace fedora free (Fedora Acceptable licensed) files.
3. remove fedora repos.
Blocking FE-Legal, This is license problem.
Fixed in xsane-0.999-13.fc21. Patch sent upstream via email. Also sent to Trisquel as a courtesy.