+2020-07-20 Bruno Haible <bruno@clisp.org>
+
+ list, oset, omap: Relicense some of the container modules under LGPLv2+.
+ * modules/list (License): Change to LGPLv2+.
+ * modules/array-list (License): Likewise.
+ * modules/carray-list (License): Likewise.
+ * modules/linked-list (License): Likewise.
+ * modules/avltree-list (License): Likewise.
+ * modules/rbtree-list (License): Likewise.
+ * modules/oset (License): Likewise.
+ * modules/array-oset (License): Likewise.
+ * modules/avltree-oset (License): Likewise.
+ * modules/rbtree-oset (License): Likewise.
+ * modules/omap (License): Likewise.
+ * modules/array-omap (License): Likewise.
+ * modules/avltree-omap (License): Likewise.
+ * modules/rbtree-omap (License): Likewise.
+
2020-07-20 Bruno Haible <bruno@clisp.org>
oset: Add an 'update' operation.