NULL. This gives a compiler an excuse to declare that tree will
never be NULL and apply a wrong optimization. Avoid it.
+ * The helper used to iterate over loose object directories to prune
+ stale objects did not closedir() immediately when it is done with a
+ directory--a callback such as the one used for "git prune" may want
+ to do rmdir(), but it would fail on open directory on platforms
+ such as WinXP.
+
+ * "git p4" used to import Perforce CLs that touch only paths outside
+ the client spec as empty commits. It has been corrected to ignore
+ them instead, with a new configuration git-p4.keepEmptyCommits as a
+ backward compatibility knob.
+
+ * The exit code of git-fsck did not reflect some types of errors
+ found in packed objects, which has been corrected.
+
+ * The completion script (in contrib/) used to list "git column"
+ (which is not an end-user facing command) as one of the choices
+
+ * Improve error reporting when SMTP TLS fails.
+
+ * When getpwuid() on the system returned NULL (e.g. the user is not
+ in the /etc/passwd file or other uid-to-name mappings), the
+ codepath to find who the user is to record it in the reflog barfed
+ and died. Loosen the check in this codepath, which already accepts
+ questionable ident string (e.g. host part of the e-mail address is
+ obviously bogus), and in general when we operate fmt_ident() function
+ in non-strict mode.
+
+ * "git symbolic-ref" forgot to report a failure with its exit status.
+
+ * History traversal with "git log --source" that starts with an
+ annotated tag failed to report the tag as "source", due to an
+ old regression in the command line parser back in v2.2 days.
+
Also contains typofixes, documentation updates and trivial code
clean-ups.