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+Git v2.15.1 Release Notes
+=========================
+
+Fixes since v2.15
+-----------------
+
+ * TravisCI build updates.
+
+ * "auto" as a value for the columnar output configuration ought to
+   judge "is the output consumed by humans?" with the same criteria as
+   "auto" for coloured output configuration, i.e. either the standard
+   output stream is going to tty, or a pager is in use.  We forgot the
+   latter, which has been fixed.
+
+ * The experimental "color moved lines differently in diff output"
+   feature was buggy around "ignore whitespace changes" edges, which
+   has been corrected.
+
+ * Instead of using custom line comparison and hashing functions to
+   implement "moved lines" coloring in the diff output, use the pair
+   of these functions from lower-layer xdiff/ code.
+
+ * Some codepaths did not check for errors when asking what branch the
+   HEAD points at, which have been fixed.
+
+ * "git commit", after making a commit, did not check for errors when
+   asking on what branch it made the commit, which has been corrected.
+
+ * "git status --ignored -u" did not stop at a working tree of a
+   separate project that is embedded in an ignored directory and
+   listed files in that other project, instead of just showing the
+   directory itself as ignored.
+
+ * A broken access to object databases in recent update to "git grep
+   --recurse-submodules" has been fixed.
+
+ * A recent regression in "git rebase -i" that broke execution of git
+   commands from subdirectories via "exec" instruction has been fixed.
+
+ * "git check-ref-format --branch @{-1}" bit a "BUG()" when run
+   outside a repository for obvious reasons; clarify the documentation
+   and make sure we do not even try to expand the at-mark magic in
+   such a case, but still call the validation logic for branch names.
+
+ * Command line completion (in contrib/) update.
+
+ * Description of blame.{showroot,blankboundary,showemail,date}
+   configuration variables have been added to "git config --help".
+
+ * After an error from lstat(), diff_populate_filespec() function
+   sometimes still went ahead and used invalid data in struct stat,
+   which has been fixed.
+
+ * UNC paths are also relevant in Cygwin builds and they are now
+   tested just like Mingw builds.
+
+ * Correct start-up sequence so that a repository could be placed
+   immediately under the root directory again (which was broken at
+   around Git 2.13).
+
+ * The credential helper for libsecret (in contrib/) has been improved
+   to allow possibly prompting the end user to unlock secrets that are
+   currently locked (otherwise the secrets may not be loaded).
+
+ * Updates from GfW project.
+
+ * "git rebase -i" recently started misbehaving when a submodule that
+   is configured with 'submodule.<name>.ignore' is dirty; this has
+   been corrected.
+
+ * Some error messages did not quote filenames shown in it, which have
+   been fixed.
+
+ * Building with NO_LIBPCRE1_JIT did not disable it, which has been fixed.
+
+ * We used to add an empty alternate object database to the system
+   that does not help anything; it has been corrected.
+
+ * Error checking in "git imap-send" for empty response has been
+   improved.
+
+ * An ancient bug in "git apply --ignore-space-change" codepath has
+   been fixed.
+
+ * There was a recent semantic mismerge in the codepath to write out a
+   section of a configuration section, which has been corrected.
+
+Also contains various documentation updates and code clean-ups.