content: #const ipsum = true
  ' dolor simply aliases lorem
  #const dolor = lorem
  
  sub main()
  #if lorem
      doStuff()
  #else if ipsum
      doStuff(10)
  #else if dolor
      doStuff()
  #else
      #error neither lorem nor ipsum are enabled!
  #end if
  end sub
  
  #if lorem
  sub doStuff()
      print "I'm lorem!"
  end sub
  #end if
  
  #if ipsum
  sub doStuff(param)
      print "I'm ipsum!"
  end sub
  #end if
  