Constants
KEY_TBL = [ [ ?i, ?s, :ip_name ], [ ?v, ?v, :value ], [ ?W, ?w, :widget ], nil ]
 
PROC_TBL = [ [ ?i, TkComm.method(:string) ], [ ?v, TkComm.method(:tk_tcl2ruby) ], [ ?w, TkComm.method(:window) ], nil ]