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How to find and remove whitespace from .lisp files
Some of us are of the opinion that it's good hygiene to not allow trailing whitespaces. To see trailing-whitespaces in Emacs enable:
(setq-default show-trailing-whitespace t)
To remove trailing-whitespaces from a file you have open in emacs do:
M-x delete-trailing-whitespace
To find trailing whitespaces in
find . -name '*.lisp' -exec egrep -l " +$" {} ;