* More object database related information are shown in "git repo
structure" output.
+ * Improve the error message when a bad argument is given to the
+ `--onto` option of "git replay". Test coverage of "git replay" has
+ been improved.
+
Performance, Internal Implementation, Development Support etc.
--------------------------------------------------------------
* Use hook API to replace ad-hoc invocation of hook scripts with the
run_command() API.
+ * Import newer version of "clar", unit testing framework.
+ (merge 84071a6dea ps/clar-integers later to maint).
+
Fixes since v2.52
-----------------