Yes, thank you.  That answers my question.  I had to re-think my approach.  For others who stumble with this as I have, the solution is to write your own callbacks customized to process the wildcard value and return the value you want.  That's what I did below with 'agenda_page_title' and '_agenda_list':

<?php
function agenda_menu() {
  $items = array();

  $items['node/agenda/list/%node'] = array(
    'title callback' => 'agenda_page_title',
    'title arguments' => array(3, 'List agenda items for: '),
    'page callback' => '_agenda_list',
    'page arguments' => array(3),
    'access callback' => 'user_access',
    'access arguments' => array('view agenda'),
    'type' => MENU_CALLBACK
  );

  return $items;
}

function _agenda_list($node) {
  return agenda_list($node->nid);
}

function agenda_page_title($node, $text) {
  $return = $text . $node->title;
  return $return;
}
?>

Jakob Petsovits wrote:
On Friday, 15. February 2008, Ron Parker wrote:
  
Chris Johnson wrote:
    
Um, array(3)->nid is not valid PHP syntax.  Is that what you really meant?
      
That's my question.  I'm trying to figure out if  the wildcard value can
be used in such a way.  In my example, the wildcard is %node, which is
equal to ($node = node_load(arg(3)).  array(3) is now equal to $node.
    

No, array(3) is equal to (in print_r() syntax)

Array (
  [0] => 3
)

and the menu system just uses this standard PHP array as callback argument in 
order to get the real number (and from that, the node itself).
I mean, don't get me wrong - I understand your point, just make sure you 
recognize that this isn't any special node system syntax but standard PHP.

wishes,
  jakob

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