merge_msg() is really more like rejoin_msg().
treeae130f0a5d5b1b5bdcefa6d99f047e505aa738c0
-rw-r--r-- 3 .gitignore
lrwxrwxrwx 14 git-subtree -> git-subtree.sh
-rwxr-xr-x 9630 git-subtree.sh
-rw-r--r-- 23 shellopts.sh
-rwxr-xr-x 4326 test.sh
-rw-r--r-- 593 todo