Syntax high-light pays its tool on not so huge files, but I remember opening without slowdowns files with around 100K lines in text mode (mostly log files). No

Syntax high-light pays its tool on not so huge files, but I remember opening without slowdowns files with around 100K lines in text mode (mostly log files). Not exactly related but with Emacs 27 will be distributed the so-long mode that could toggle minor modes that affect redrawing like "font-lock", "visual-line", "whitespace" when files with long lines are opened: https://git.savannah.nongnu.org/cgit/so-long.git/plain/so-long.el https://git.savannah.nongnu.org/cgit/so-long.git/plain/so-lo...