The article links to this example of support for XML literals: https://rapt.dev.java.net/nonav/docs/api/index.html?net/java...

It's in the spirit of machine code in REM statements. A ghastly, reanimated spirit.

  /**
  <commands>
      <command name="SOD" order="NEW">
          <parameter slot="P2" name="N" value="4811980" />
          <parameter slot="P2" name="N" value="4811980" />
      </command>
  </commands>
  */
  @DomLiteral static Document testCommands = DomLiterals.testCommands();