Squashed 'subs/sub2/' content from commit affdbc2

git-subtree-dir: subs/sub2
git-subtree-split: affdbc211d79cf856c1da8d2a7c22d24c28b557f
Merge commit '0cb531bfd59a8b410475028af051baac84b7b759' as 'subs/sub2'