Take multiple files on the command-line when called by DEs.
Take multiple files on the command-line when called by DEs.

We claim that we support text/plain but the desktop file did not
actually state how we accept them. Explicitly request a list of files.

gobby/gobby,dagopoot/gobby,gobby/gobby,dagopoot/gobby,gobby/gobby,dagopoot/gobby