commit test.txt
commit ts.txt by ts branch
commit ss.txt
remove ss.txt
Add 'markpro/' from commit '8ae020c173bfc478cf47529537e2322d3e6fe69a'

git-subtree-dir: markpro
git-subtree-mainline: 39d43dac61b8dd4005f74bd27e01238ef0ec3f94
git-subtree-split: 8ae020c173bfc478cf47529537e2322d3e6fe69a