(merge cb2912c hv/link-alt-odb-entry later to maint).
- * "git checkout <branchname>" to come back from a detached HEAD state
- incorrectly computed reachability of the detached HEAD, resulting
- in unnecessary warnings.
- (merge add416a jk/maint-checkout-orphan-check-fix later to maint).
- * The documentation for revision range specifiers (e.g. A..B, A^@)
- (merge ca5ee2d mh/maint-revisions-doc later to maint).
* "git submodule add" was confused when the superproject did not have
its repository in its usual place in the working tree and GIT_DIR
and GIT_WORK_TREE was used to access it.
- * "git mergetool" did not support --tool-help option to give the list
- of supported backends, like "git difftool" does.
- (merge 109859e jc/mergetool-tool-help later to maint).
* "git commit --amend" let the user edit the log message and then died
when the human-readable committer name was given insufficiently by