Latest version of org.specs2:specs2-matcher-extra_sjs0.6_2.12
https://javadoc.io/doc/org.specs2/specs2-matcher-extra_sjs0.6_2.12
Current version 4.0.2-cf517a7-20171122141020
https://javadoc.io/doc/org.specs2/specs2-matcher-extra_sjs0.6_2.12/4.0.2-cf517a7-20171122141020
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.specs2/specs2-matcher-extra_sjs0.6_2.12/4.0.2-cf517a7-20171122141020/package-list