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Sep 20, 2018 at 23:28
Today I learnt that Emacs has a notion of 'permanent' variables! https://www.gnu.org/software/emacs/manual/html_node/elisp/Creating-Buffer_002dLocal.html These are variables that persist even when you change major mode (which generally resets buffer-local variables).
Creating Buffer-Local (GNU Emacs Lisp Reference Manual)
Creating Buffer-Local (GNU Emacs Lisp Reference Manual)

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