RelNotes: final batch of topics before -rc1

Documentation/RelNotes/2.10.0.txt

@@ -296,6 +296,9 @@ Performance, Internal Implementation, Development Support etc.
    compared only for changes that touch the same set of paths.
    (merge b3dfeeb kw/patch-ids-optim later to maint).
 
+ * A handful of tests that were broken under gettext-poison build have
+   been fixed.
+
 
 Also contains various documentation updates and code clean-ups.
 
@@ -590,7 +593,17 @@ notes for details).
    that strips the trailing slash of '/'.
    (merge 189d035 js/mv-dir-to-new-directory later to maint).
 
+ * The "t/" hierarchy is prone to get an unusual pathname; "make test"
+   has been taught to make sure they do not contain paths that cannot
+   be checked out on Windows (and the mechanism can be reusable to
+   catch pathnames that are not portable to other platforms as need
+   arises).
+   (merge c2cafd3 js/test-lint-pathname later to maint).
+
  * Other minor clean-ups and documentation updates
    (merge 02a8cfa rs/merge-add-strategies-simplification later to maint).
    (merge af4941d rs/merge-recursive-string-list-init later to maint).
    (merge 1eb47f1 rs/use-strbuf-add-unique-abbrev later to maint).
+   (merge ddd0bfa jk/tighten-alloc later to maint).
+   (merge ecf30b2 rs/mailinfo-lib later to maint).
+   (merge 0eb75ce sg/reflog-past-root later to maint).