Added TODO list to README

README.md

@@ -107,3 +107,13 @@ Bootstrapping on a Debian system can be done as follows:
     $ cd mincss
     $ make
     $ ./mincss --help
+
+
+TODO / bugs
+===========
+
+- `border` shorthand generation produces out0of-order results when
+  direction-specific ddeclarations follow a generic border declaration. This
+  produces inequivalent CSS and must be fixed by unfolding each generic border
+  declaration into four direction-specific ones, and sybsequently generating
+  the shortest possible representation of the resulting box model.