[[!comment format=mdwn
 username="Ilya_Shlyakhter"
 avatar="http://cdn.libravatar.org/avatar/1647044369aa7747829c38b9dcc84df0"
 subject="comment 1"
 date="2020-07-18T03:58:18Z"
 content="""
You could use a [[metadata|git-annex-metadata]] field to mark the content you want, then use a metadata-based preferred content expression.
"""]]
