@@ -582,7 +582,7 @@ Variable collection is somewhat important, and to accomplish this, I use a recur
:ID: c1856735-914b-4f73-8825-3e5a062113d2
:END:
-Foo
+As there are various forms of expressions, and to provide for simplification, there must be a way to collect terms and return them in a way that allows a programmer to select all sub-expressions of a type within a large expression.