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I'm writing a paper on logic where I mention the rule modus ponens often.
Neither modus nor ponens are words in English, and the ideal spell checker should mark them as incorrect. However, modus ponens is a correct word, and should be marked correctly.
Is it possible to do something like this with the Vim spellchecker?
In normal mode, zg adds the word under cursor as a good word to 'spellfile'. In visual mode, the selected text is added. So selecting the word modus ponens and pressing zg will work.
Also, modus is recognized as a good word in Vim. Use zw to mark it as wrong.
You may need to put this line of code in your .vimrc to specify the path to 'spellfile':
set spellfile=$HOME/.vim/spell/en.utf-8.add
