/* The next two blob_appendf() calls add SQL that causes checkins that
        ** are not part of the branch which are parents or children of the
        ** branch to be included in the report.  This related check-ins are
        ** useful in helping to visualize what has happened on a quiescent
        ** branch that is infrequently merged with a much more activate branch.
        */
        blob_appendf(&sql,
          " OR EXISTS(SELECT 1 FROM plink CROSS JOIN tagxref ON rid=cid"
                     " WHERE tagid=%d AND tagtype>0 AND pid=blob.rid)",
           tagid
        );
        if( P("mionly")==0 ){
          blob_appendf(&sql,
            " OR EXISTS(SELECT 1 FROM plink CROSS JOIN tagxref ON rid=pid"
                       " WHERE tagid=%d AND tagtype>0 AND cid=blob.rid)",
            tagid
          );
        }else{
          url_add_parameter(&url, "mionly", "1");
        }
      }else{