can't read "dir": no such variable
    while executing
"file join $dir libtdom0.8.3.so"
    (in namespace eval "::request" script line 1)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)

OUTPUT BUFFER:

package ifneeded tdom 0.8.3 "load [list [file join $dir libtdom0.8.3.so]]; source [list [file join $dir tdom.tcl]]"