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Ask HN: How to avoid LLMs struggling with Lisp parens?

chriswarbo · story · related signal

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LLMs seem to love certain languages (Python, Bash, etc.), but they all seem to struggle with Lisp (e.g. Racket or Emacs Lisp). I've tried various iterations of Claude, as well as cheaper models like DeepSeekV4, etc. and the pattern is the same: they'll make a few successful edits, but eventually they'll get some parentheses slightly wrong, then spiral into…

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LLMs seem to love certain languages (Python, Bash, etc.), but they all seem to struggle with Lisp (e.g. Racket or Emacs Lisp). I've tried various iterations of Claude, as well as cheaper models like DeepSeekV4, etc. and the pattern is the same: they'll make a few successful edits, but eventually they'll get some parentheses slightly wrong, then spiral into…

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