one of the documented procedures in this installation of the ACS
ticket_feedback_link   { text "Feedback" }   { module_key "" }
What it does:
returns the html for a link into the ticket system for page feedback

We need to map module_key to project_id to get this to work properly.

Defined in: /web/philip/tcl/ticket-defs.tcl

Source code:

    set ticket_server [ad_parameter TicketServer module-manager "www.arsdigita.com"]
    if ![empty_string_p $ticket_server] {
	set ticket_server "http://$ticket_server"

    if [empty_string_p $module_key] {
	set module_key ticket

    return "<a href=\"$ticket_server/ticket/issue-new?mapping_key=[ns_urlencode $module_key]&from_host=[ns_urlencode [ns_conn location]]&from_url=[ns_urlencode [ns_conn url]]&fq_len=[string length [ns_conn query]]&from_query=[ns_urlencode [ns_conn query]]\">$text</a>"