+// FIXME: sometimes gets stuck in a loop routing the last few nets
+
+// FEATURE: ability to rip up only one branch of a multi-terminal net
+
+// FEATURE: re-placement based on routing congestion
+// note: must assign a cost to "bare wire" -- if not, the
+// placer will fail to recognize moves that put blocks closer
+// together, thereby decreasing the potential for future
+// congestion.
+
+// FEATURE: A* search (chap7 of independence thesis)
+
+// FIXME: distinguish out,xo,yo
+// FIXME: y-axis shortcuts
+// FEATURE: ability to use a cell for routing purposes
+// FEATURE: global two-sector-long wires
+