[
 puts "Wrapping!"
 set content "<html><head><title>Mason2 generated file</title></head><body><H1>Mason2 wrapped file</H1>"
 append content [dict get $response -content]
 append content "</body></html>"
 dict set response content-type text/html
 dict set response -content $content
# dict unset response -content
# return $content
]
