I've written a lot of lisp, including a respectable number of macros, and I don't think I've ever been caught out by hygiene.
I've definitely written broken macros that expanded to the wrong thing though.
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I've heard of 'blub languages', where you don't realise that other languages have better abstractions until you've experienced them.
I think the same thing happens with individual features. I've seen several C++ folks miss variadic generics in Rust, but I've not written enough C++ to feel it.
I've written difftastic packaging instructions: https://difftastic.wilfred.me.uk/packaging_difftastic.html
The different distros have taken different approaches, so I'm trying to help with common gotchas — don't forget the man page!
Feedback welcome, especially if you've ever packaged something 🙂
Deno has the cutest PL mascot I think I've ever seen. Are there any other contenders?