diff --git a/README.md b/README.md
index a280d8cd..c971ba64 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ React is nice, Webpack is convenient, but there's just very little need to serve
 - [x] capture LaTeX error logs and work them into the build log as clean output, for faster debugging.
 - [x] Add a `setSlider(qs, handler)` API function so that sketches can hook into locally scoped HTML UI elements (like `<input type="range">`
 - [ ] figure out how to force `graphics-element` elements to preallocate their bounding box, so that progressive page loading doesn't cause reflow.
+- [ ] consider swammping out the `perform-code-surgery.js` regex approach to a dedicated DFA lexer, with scope tracking.
 
 ### Section conversion: