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 4.3.0-9613e1025-20180617171338
https://javadoc.io/doc/org.specs2/specs2-matcher-extra_sjs0.6_2.12/4.3.0-9613e1025-20180617171338
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.specs2/specs2-matcher-extra_sjs0.6_2.12/4.3.0-9613e1025-20180617171338/package-list