"TECO [..] is one of the most powerful editors [but] its command language is the one of the most rebarbative" http://t.co/d78Ba9bLBa
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Related Posts
The Glorious Horror of TECO https://goodmath.scientopia.org/2010/11/30/the-glorious-horror-of-teco/ (the forerunner of Emacs!)
'Real programmers' use TECO, none of your modern vim/emacs nonsense: http://t.co/zb9ARskNzf