static const char *const azMatchStyles[] = {
        "exact", "Exact", "glob", "Glob", "like", "Like", "regexp", "Regexp",
        "brlist", "List"
      };
      double rDate;
      zDate = db_text(0, "SELECT min(timestamp) FROM timeline /*scan*/");
      if( (!zDate || !zDate[0]) && ( zAfter || zBefore ) ){
        zDate = mprintf("%s", (zAfter ? zAfter : zBefore));
      }
      if( zDate ){
        rDate = symbolic_name_to_mtime(zDate, 0, 0);
        if( db_int(0,
            "SELECT EXISTS (SELECT 1 FROM event CROSS JOIN blob"
            " WHERE blob.rid=event.objid AND mtime<=%.17g%s)",
            rDate-ONE_SECOND, blob_sql_text(&cond))
        ){
          zOlderButton = fossil_strdup(url_render(&url, "b", zDate, "a", 0));
          zOlderButtonLabel = "More";
        }
        free(zDate);
      }
      zDate = db_text(0, "SELECT max(timestamp) FROM timeline /*scan*/");
      if( (!zDate || !zDate[0]) && ( zAfter || zBefore ) ){
        zDate = mprintf("%s", (zBefore ? zBefore : zAfter));
      }
      if( zDate ){
        rDate = symbolic_name_to_mtime(zDate, 0, 0);
        if( db_int(0,
            "SELECT EXISTS (SELECT 1 FROM event CROSS JOIN blob"
            " WHERE blob.rid=event.objid AND mtime>=%.17g%s)",
            rDate+ONE_SECOND, blob_sql_text(&cond))