[PD] deken not working on macbook 4.1 with OSX 10.5.8

[rolfm at dds.nl]

Macbook 4.1 Intel Core Duo, OSX 10.5.8
on this machine i cannot use Deken.

i compiled Pd-0.48-0test6.src.
starting pd gives the following error:

------
UNHANDLED ERROR: syntax error in expression "True": variable references 
require preceding $
     ("for" test expression)
     while compiling
"for {set i 0} {True} {incr i} {
         set tmpfile [file join ${path} dekentmp.${i}]
         if {![file exists $tmpfile]} {
             return $tmpfi..."
     (compiling body of proc "::deken::get_tmpfilename", line 2)
     invoked from within
"::deken::get_tmpfilename $p"
     (procedure "::deken::get_writable_dir" line 5)
     invoked from within
"::deken::get_writable_dir [list $::deken::installpath ] "
     (procedure "::deken::find_installpath" line 5)
     invoked from within
"::deken::find_installpath"
     invoked from within
"if { [::deken::versioncheck 0.2.3] } {

namespace eval ::deken:: {
     namespace export open_searchui
     variable mytoplevelref
     variable platform..."
     ("uplevel" body line 62)
     invoked from within
"uplevel #0 $tclcode"
FAILED TO LOAD 
/Users/rolfmeesters/Desktop/pd-0.48-0test6/tcl/pd_deken.tcl
-----------

what can i do?

rolf