update for rename of exercises/assignment7.mdwn to exercises/assignment6-7.mdwn

diff --git a/topics/week7_environments_and_closures.mdwn b/topics/week7_environments_and_closures.mdwn
index 7dc3cd4..2e5b70a 100644 (file)
--- a/topics/week7_environments_and_closures.mdwn
+++ b/topics/week7_environments_and_closures.mdwn
@@ -5,7 +5,7 @@ keep track of that binding in a separate scorecard, that we'll call an "environm
 This strategy has to introduce a new kind of structure, called a `Closure`, to handle
 binding to terms that have locally free variables in them. Let's
 see how this works. For exposition, I'll pretend that the code you're working with has
 This strategy has to introduce a new kind of structure, called a `Closure`, to handle
 binding to terms that have locally free variables in them. Let's
 see how this works. For exposition, I'll pretend that the code you're working with has

-primitive numbers in it, though [[the homework assignment|/exercises/assignment7]] doesn't.
+primitive numbers in it, though [[the homework assignment|/exercises/assignment6-7]] doesn't.

 (But [[the fuller code|/topics/week7_untyped_evaluator]] it's simplified from does.)
 
 Now consider:
 (But [[the fuller code|/topics/week7_untyped_evaluator]] it's simplified from does.)
 
 Now consider: