rewrite the names and email addresses of people using the mailmap
mechanism.
+ * "git log --cc --graph" now shows the combined diff output with the
+ ancestry graph.
+
* "git mergetool" and "git difftool" learned to list the available
tool backends in a more consistent manner.
you do not have any commits in your history, but it now gives you
an empty index (to match non-existent commit you are not even on).
+ * "git status" says what branch is being bisected or rebased when
+ able, not just "bisecting" or "rebasing".
+
* "git submodule" started learning a new mode to integrate with the
tip of the remote branch (as opposed to integrating with the commit
recorded in the superproject's gitlink).
these implementations can reliably update. This can be used to
avoid excessive revalidation of contents.
+ * Some platforms ship with old version of expat where xmlparse.h
+ needs to be included instead of expat.h; the build procedure has
+ been taught about this.
+
+ * "make clean" on platforms that cannot compute header dependencies
+ on the fly did not work with implementations of "rm" that do not
+ like an empty argument list.
Also contains minor documentation updates and code clean-ups.
failed to remove the real location of the $GIT_DIR it created.
This was most visible when interrupting a submodule update.
+ * "git cvsimport" mishandled timestamps at DST boundary.
+ (merge 48c9162 bw/get-tz-offset-perl later to maint).
+
* We used to have an arbitrary 32 limit for combined diff input,
resulting in incorrect number of leading colons shown when showing
the "--raw --cc" output.
* Command line completion code was inadvertently made incompatible with
older versions of bash by using a newer array notation.
+ * "git push" was taught to refuse updating the branch that is
+ currently checked out long time ago, but the user manual was left
+ stale.
+ (merge d9be248 wk/man-deny-current-branch-is-default-these-days later to maint).
+
* Some shells do not behave correctly when IFS is unset; work it
around by explicitly setting it to the default value.