cognitive psychology. PhD 
A mathematician learning the basics of software engineering! This truly is the end times.https://xenaproject.wordpress.com/2020/03/24/no-errors/ …
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That tool is really cool, Will. How much is the explanation tailored to the actual error message? In the example in the readme, the explanation syntactically mirrors the failed parse. Does it try to do this in general?
We hard-coded explanations for 5 messages that account for 50% of novice errors (based on telemetry). Each explanation tries to use the programmer's context where possible. e.g. if you get "x not found" and your program has "x <- 1", it will say "did you forget to run line N?"
