title: PlantUml: How to do a multiline display in opt condition for sequence diagram
body: <p>Im trying to do a UML diagram for a script below in PlantUML.</p>
  <pre><code>[plantuml, target=diagram-sequence, format=png] 
  ....
  @startuml
  -&gt; A: test
  opt ((Exterme_DANGER_Forwith_cIES_MICRO_GYRO) || (Exterme_DANGER_Forwith_cIES_PANASONIC_GYRO)  || (Exterme_DANGER_Forwith_cIES_VIRTUAL)    || (Exterme_DANGER_Forwith_cIES_Cobra)     || (Exterme_DANGER_Forwith_cIES_VTI)    || (Exterme_DANGER_Forwith_cIES_VTI_SPI)    || (Exterme_DANGER_Forwith_cIES_VIRTUAL)    || (Exterme_DANGER_Forwith_cIES_VTI)     || (Exterme_DANGER_Forwith_cIES_VTI_SPI)   || (Exterme_DANGER_Forwith_cIES_VIRTUAL))    || (Exterme_DANGER_Forwith_cIES_Cobra5)  || (Exterme_DANGER_Forwith_cIES_Cobra4))
  &lt;- A
  end opt
  @enduml
  ....
  </code></pre>
  <p>When I do this I cannot see the complete diagram.
  <img src="https://i.stack.imgur.com/CKeCj.png" alt="PlantUML DIAGRAM" /></p>
  <p>Does anyone know of a way to show the big opt conditon in multiple lines in the diagram?</p>