Allow concatenating each path component of PathJoinSubstitution#838

christophebedard merged 1 commit intorollingros2/launch:rollingfrom

christophebedard/path-join-substitution-list-of-somesubstitutionstyperos2/launch:christophebedard/path-join-substitution-list-of-somesubstitutionstypeCopy head branch name to clipboard