Spell check identifiers

[zmughal]

https://github.com/codespell-project/codespell

• Idea: use ctags -> split identifiers

  ctags --fields=+K -f- -R  . \
  | perl -Mexperimental=smartmatch -a -F"/\t/" -lE 'next if $F[-1] ~~ ["use", "pod"]; print $F[0]' \
  | perl -lpE 's/::/ /g; s/_/ /g; s/(\p{Ll})(\p{Lu})/$1 $2/g; s/\s+/\n/g;' \
  | sort -u  \
  | pipe.vim

• [[Checking spelling in source code|https://dl.acm.org/doi/10.1145/1052883.1052888]]
• [[Spinellis: Code Quality: The Open Source Perspective|https://www.spinellis.gr/codequality/]]
• [[Improving the tokenisation of identifier names|http://oro.open.ac.uk/25656/]]