Column formula:

@If(@Attachments;"[<!-- "+@AttachmentNames+" --><A HREF=/"+@Subset(@DbName;-1)+"/AllDocs/"+@Text(@DocumentUniqueID)+"/$FILE/"+@AttachmentNames+">"+@AttachmentNames+"   "+@Text(@AttachmentLengths) +" Bytes </A>]" ;"[<!-- "+@AttachmentNames+" -->"+@AttachmentNames+"</h7>]")