Extension for parboiled/grappa parser.
'com.github.uscexp:grappa.extension:0.3.0'
<dependency>
<groupId>com.github.uscexp</groupId>
<artifactId>grappa.extension</artifactId>
<version>0.3.0</version>
</dependency>
<dependency org="com.github.uscexp" name="grappa.extension" rev="0.3.0"/>
"com.github.uscexp", "grappa.extension", "0.3.0"