db_begin_write();
    db_unprotect(PROTECT_CONFIG);
    db_multi_exec("DELETE FROM config WHERE name glob 'sync-pw:*'");
    db_multi_exec("DELETE FROM config WHERE name = 'last-sync-pw'");
    db_protect_pop();
    db_commit_transaction();
    return;
  }
  if( strncmp(zArg, "config-data", nArg)==0 ){
    /* Undocumented command:  "fossil remote config-data"
    **
    ** Show the CONFIG table entries that relate to remembering remote URLs
    */
    Stmt q;
    int n;
    n = db_int(13,
       "SELECT max(length(name))"
       "  FROM config"
       " WHERE name GLOB 'sync-*:*' OR name GLOB 'last-sync-*'"
    );
    db_prepare(&q,
       "SELECT name,"
       "       CASE WHEN name LIKE '%%sync-pw%%'"
                  " THEN printf('%%.*c',length(value),'*') ELSE value END"
       "  FROM config"
       " WHERE name GLOB 'sync-*:*' OR name GLOB 'last-sync-*'"
       " ORDER BY name LIKE '%%sync-pw%%', name"
    );
    while( db_step(&q)==SQLITE_ROW ){
      fossil_print("%-*s  %s\n",
        n, db_column_text(&q,0),
        db_column_text(&q,1)
      );
    }
    db_finalize(&q);
    return;
  }
  if( sqlite3_strlike("http://%",zArg,0)==0
   || sqlite3_strlike("https://%",zArg,0)==0
   || sqlite3_strlike("ssh:%",zArg,0)==0
   || sqlite3_strlike("file:%",zArg,0)==0
   || db_exists("SELECT 1 FROM config WHERE name='sync-url:%q'",zArg)
  ){