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Re:Ask HN: What is your favourite Emacs hack? by stevekemp on Sunday September 13, 2020 @06:43AM (#24459945)
Do you mean clever thing to do with it, or literal hacks?

For the later the the movemail exploit, as documented in Clifford Stoll's Cuckoo's Egg book was pretty good.

I reported a couple of trivial predictable-filename issues with bundled lisp too - including one that was related to Mosaic which dates pretty badly:

https://bugs.debian.org/747100

I guess "neat elisp" is such a wide topic people can and do write lots on the topic. I'll just say "org-mode is awesome".

Re:Ask HN: What is your favourite Emacs hack? by jedimind on Sunday September 13, 2020 @09:56AM (#24460877)
I meant productivity enhancers, but your contribution is also very interesting. Thanks for sharing!