Show HN: Tidyparse: Real-time syntax error correction for context-free languages

> • To trigger an update, modify the editor to the left.

is just false. If you want to see it in action, select everything below, but excluding, the "---" and paste in one of the two examples from https://github.com/tidyparse/tidyparse#usage (the good or bad one to see each outcome)

Merely editing the textarea using your regular old hands and keyboard does nothing and makes the demo appear like it's broken or that the viewer is not groking the novelty of what's being shown