fmx:compress

Freemarker equivalent: https://freemarker.apache.org/docs/ref_directive_compress.html

<fmx:compress>
  <p>BOBO</p>

  <span>      <i>some text<i>   </span>
</fmx:compress>
[#compress]
  <p>BOBO</p>

  <span>      <i>some text<i>   </span>
[/#compress]