This procedure is defined in the server but not documented via ad_proc or proc_doc and may be intended as a private interface.
The procedure is defined as:
proc dom::GetHandle {type token varName} {
if {![info exists $token]} {
return -code error "invalid token \"$token\""
}
upvar 1 $varName data
array set data [set $token]
# Type checking not implemented
# if {$data(node:nodeType) ne "document" } {
# return -code error "node is not of type document"
# }
return {}
}