Defining a lisp with 6 primitives is neat, but it's not enough to be general purpose. No I/O. Are there minimalist PLs that are usable?
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Go has an elegant approach to defining example functions, which are shown in docs as `main()` with the output: https://go.dev/blog/examples
I've seen "cons cells" and "cons pairs", but today I saw "conses", which is new to me.
(Clearly Lisp has no downsides, only pros and cons! 🙃)
One cute feature of markdown I'd not noticed before: there's no syntax for images *without* a description (i.e. alt text).

https://spec.commonmark.org/0.31.2/#images