On 30/08/2016 13:24, Jon Turney wrote:
> For a source-only package, rather than just a skip: key, write category:,
> requires:, ldesc: and sdesc: keys as well.

This had a rather unfortunate bug which made it always generate a 
source-only package hint (i.e. with skip:), rather than only when needed 
because nothing else has generated the package hint.

Updated version attached.