Listing 1

<symbol name="TASKS">
     <choice>
	  <symbol name="TASK" />
	  <sequence>
		<symbol name="TASK" />
		<symbol name="TASKS" />
	  </sequence>
      </choice>
</symbol>
<symbol name="TASK" meaning="Task">
     <sequence>
	  <symbol name="TASK1" />
	  <symbol name="CARRIAGE_RETURN" />
     </sequence>
</symbol>
<symbol name="CARRIAGE_RETURN" constant="

" />
...
<symbol name="VERSION_VARIABLE" variable="version" allowChars="0-9,." />

Listing 2

<language 
    name="Project Plan" 
    language-type="Source">
  <extensions>
    <extension>csv</extension>
  </extensions>
  <builder>
     <import>
       <translator 
	  name="SourceTransform" 
	  argument="projectplan.cmgrammar" />
       <translator 
	  name="XslTransform" 
	  argument="projectplan_recompose.xslt" />
      </import>
      <export>
	 <translator 
	   name="XslTransform" 
	   argument="projectplan.xsl" />
	</export>
  </builder>
</language>