Multiple different licenses for <metadata_license/> tag in a appdata file

[Erik Schilling]

On 11/08/14 20:11, Richard Hughes wrote:
> On 11 August 2014 17:09, Erik Schilling <ablu.erikschilling at gmail.com> wrote:
>> Hm... I use "<metadata_license>CC-BY-3.0 and GPL-2.0</metadata_license>"
>> but `appdata-validate` tells me:
>> • tag-invalid           : <metadata_license> is not valid
> 
> Okay, so GPL-2.0 isn't actually a content license. For the last
> release of appstream-glib I relaxed the requirement that the metadata
> file had to be a content license, and for the next release I'll make
> it so you can specify both kinds of license in the metadata like you
> want.

Ok. Thanks a lot.

Is it recommended to run the validator in the specfile otherwise? Are
there any guidelines for this already?