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The Craft of Text Editing¹ should be required reading for everybody who wants to write a new text editor.

I didn't know about this resource. Thank you for sharing. I had only seen this one https://viewsourcecode.org/snaptoken/kilo/ I did notice that all editors modeled after this tutorial tended to be clones. That's why I opted for a trial-and-error approach as a learning experience.

See also: EMACS: The Extensible, Customizable Display Editor <https://www.gnu.org/software/emacs/emacs-paper.html> from 1981, by Richard Stallman – the main author of Emacs – as a more Emacs-specific resource.

Or Theory and practice of text editors, or, A cookbook for an Emacs, the original thesis written by Craig A. Finseth in 1980 before he wrote the book I originally linked to: <https://dspace.mit.edu/handle/1721.1/15905>

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