anchor.diff:     |a2s          |{uri-a2s}[AsciiToSvg]                                                 |`a2s`
      |actdiag      |{uri-actdiag}[ActDiag]                                                |`actdiag`
      |blockdiag    |{uri-blockdiag}[BlockDiag]                                            |`blockdiag`
  +   |bpmn         |{uri-bpmn}[bpmn-js-cmd]                                               |`bpmn`
      |ditaa        |{uri-java}[Java]                                                      |`java`
      |erd          |{uri-erd}[Erd]                                                        |`erd`
      |gnuplot      |{uri-gnuplot}[Gnuplot]                                                |`gnuplot`
  
positive.code: |fontpath     |unspecified     |The path to the font that should be used by blockdiag
  |===
  
  ==== Ditaa
  
  [cols=">,<,<",options="header"]
  
negative.code: |{uri-a2s}[a2s]              |       |       |       |{check}|
  |{uri-actdiag}[actdiag]      |       |{check}|{check}|{check}|
  |{uri-blockdiag}[blockdiag]  |       |{check}|{check}|{check}|
  |{uri-bpmn}[bpmn]            |       |{check}|{check}|{check}|
  |{uri-ditaa}[ditaa]          |       |       |{check}|{check}|
  |{uri-erd}[erd]              |       |       |{check}|{check}|
  |{uri-gnuplot}[gnuplot]      |{check}|       |{check}|{check}|{check}
  