Using whitespace mode
cons 1y ago • 100%
Emfy setup recommends three settings for trailing whitespace:
(setq-default show-trailing-whitespace t)
(setq-default indicate-empty-lines t)
(setq-default indicate-buffer-boundaries 'left)
Screenshots showing the results: https://github.com/susam/emfy#show-stray-whitespace
4
https://www2.lib.uchicago.edu/keith/tcl-course/emacs-tutorial.html