Xor {
   exposedField SFInt32    nlines 2
   eventIn      SFBool     set_line1
   eventIn      SFBool     set_line2
   eventIn      SFBool     set_line3
   eventIn      SFBool     set_line4
   eventIn      SFBool     set_line5
   eventIn      SFBool     set_line6
   eventIn      SFBool     set_line7
   eventIn      SFBool     set_line8
   eventIn      SFBool     set_line9
   eventIn      SFBool     set_line10
   eventIn      SFBool     set_line11
   eventIn      SFBool     set_line12
   eventIn      SFBool     set_line13
   eventIn      SFBool     set_line14
   eventIn      SFBool     set_line15
   eventIn      SFBool     set_line16
   eventOut     SFBool     value_changed
}