login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }

  style_submenu_element("Add", "Add User", "setup_uedit");
  style_submenu_element("Help", "Help", "setup_ulist_notes");
  style_header("User List");
  @ <table class="usetupLayoutTable">
  @ <tr><td class="usetupColumnLayout">
  @ <span class="note">Users:</span>
  @ <table class="usetupUserList">
  prevLevel = 0;
  db_prepare(&s,
     "SELECT uid, login, cap, info, 1 FROM user"
     " WHERE login IN ('anonymous','nobody','developer','reader') "
     " UNION ALL "
     "SELECT uid, login, cap, info, 2 FROM user"

    }
    @ </td>
    @ <td class="usetupListCap" style="text-align: center;padding-right: 15px;">%s(zCap)</td>
    @ <td  class="usetupListCon"  style="text-align: left;">%h(db_column_text(&s,3))</td>
    @ </tr>
  }
  @ </table>
  style_footer();
  db_finalize(&s);
}
  @ </td><td class="usetupColumnLayout">
  @ <span class="note">Notes:</span>

/*
** WEBPAGE: setup_ulist_notes
**
** A documentation page showing notes about user configuration.  This information
** used to be a side-bar on the user list page, but has been factored out for
** improved presentation.
*/
void setup_ulist_notes(void){
  style_header("User Configuration Notes");
  @ <h1>User Configuration Notes:</h1>
  @ <ol>
  @ <li><p>The permission flags are as follows:</p>
  @ <table>
     @ <tr><th valign="top">a</th>
     @   <td><i>Admin:</i> Create and delete users</td></tr>
     @ <tr><th valign="top">b</th>
     @   <td><i>Attach:</i> Add attachments to wiki or tickets</td></tr>

  @ Users with privilege <span class="capability">v</span> inherit the combined
  @ privileges of <span class="usertype">developer</span>,
  @ <span class="usertype">anonymous</span>, and
  @ <span class="usertype">nobody</span>.
  @ </p></li>
  @
  @ </ol>
  @ </td></tr></table>
  style_footer();
  db_finalize(&s);
}


/*
** Return true if zPw is a valid password string.  A valid
** password string is:
**
**  (1)  A zero-length string, or
**  (2)  a string that contains a character other than '*'.