#macro(line1)line1#end

#macro(line2)
line2#end

#macro(line3)line3
#end

#macro(line4)
line4
#end

#macro(block)
block $bodyContent
#end

## lines
<a>
  <b>
#if(true)
  #line1()
  #line2()
  #line3()
  #line4()
  #@block()foo#end
#end
  </b>
</a>

## structured
<a>
  <b>
    #if(true)
      #line1()
      #line2()
      #line3()
      #line4()
      #@block()foo#end
    #end
  </b>
</a>