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+2023-01-26 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow
+ rules named "+" for compatibility with older tzdata.zi files.
+
+2023-01-26 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/108554
+ * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add
+ nonnull attribute.
+ (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull
+ attributes.
+ * testsuite/23_containers/map/modifiers/108554.cc: New test.
+
+2023-01-26 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/108530
+ * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in
+ /etc/sysconfig/clock, not DEFAULT_TIMEZONE.
+
+2023-01-26 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/xml/manual/intro.xml: Update links to www.open-std.org to
+ use https.
+ * doc/html/manual/bugs.html: Regenerate.
+
2023-01-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108530