diff --git a/preserves-schema.md b/preserves-schema.md
index 8e7b8dd..7eb34b8 100644
--- a/preserves-schema.md
+++ b/preserves-schema.md
@@ -689,5 +689,11 @@ definitions for the metaschema.
  - There are side conditions on AST instances. It would be nice to
    eventually be able to express these within the metaschema.
 
+ - It'd be interesting to,
+   [Ometa](https://en.wikipedia.org/wiki/OMeta)-like, be able to
+   specify the DSL-to-AST translation process as a schema. One
+   challenge in doing so is the way schemas are required to be
+   *reversible* at present.
+
 <!-- Heading to visually offset the footnotes from the main document: -->
 ## Notes