add TODO items

diff --git a/TODO b/TODO
index ecaed94..07e6c74 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,3 +1,10 @@
+
+- A new alternative (choice) operator that says "the compiler should
+  be able to statically determine that there is no ambiguity here"
+
+- Composable parsers (parser that generate output that is input to
+  future parsers).  Use trees?
+
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