** Show the built-in help text for CMD.  CMD can be a command-line interface
** command or a page name from the web interface.
*/
void help_page(void){
  const char *zCmd = P("cmd");

  if( zCmd==0 ) zCmd = P("name");

  if( zCmd ){
    int rc;
    const CmdOrPage *pCmd = 0;

    style_header("Help: %s", zCmd);

    style_submenu_element("Command-List", "%s/help", g.zTop);
    if( *zCmd=='/' ){
      /* Some of the webpages require query parameters in order to work.
      ** @ <h1>The "<a href='%R%s(zCmd)'>%s(zCmd)</a>" page:</h1> */
      @ <h1>The "%s(zCmd)" page:</h1>
    }else{

        @ <blockquote>
        help_to_html(pCmd->zHelp, cgi_output_blob());
        @ </blockquote>
      }
    }
  }else{
    int i, j, n;

    style_header("Help");

    @ <h1>Available commands:</h1>
    @ <table border="0"><tr>
    for(i=j=0; i<MX_COMMAND; i++){
      const char *z = aCommand[i].zName;
      if( '/'==*z || strncmp(z,"test",4)==0 ) continue;
      j++;