git show v1.0.0^\{tree\}::
Shows the tree pointed to by the tag `v1.0.0`.
+git show -s --format=%s v1.0.0^\{commit\}::
+ Shows the subject of the commit pointed to by the
+ tag `v1.0.0`.
+
git show next~10:Documentation/README::
Shows the contents of the file `Documentation/README` as
they were current in the 10th last commit of the branch