# -*- tcl -*- tcl.tk//DSL diagram//EN//1.0
set boxwidth [4 cm]
line ;group {
    arc cw ; arc ; arrow ; box "interpreted (Tcl)" ; arrow ; box container
} ; arc ; line ; arc cw ; arrow ; box "specialized" ; group {
    arc ; arc cw ; arrow ; box "C" ; arrow ; box "critcl / C"
} ; arc cw ; arc ; arrow ; box "Tcl" ; arrow ; box "snit / oo"