Vim spell checking for dummies
25 Mar 2016:set spell will mark misspelled words in red, but this is not Microsoft Word.
Here are a few tricks I use to work effectively with the Vim spell checker:
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    If you have vim-unimpaired installed you can toggle spell checking on and off with cos
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    Usually though, whether you want it enabled depends on the file type you are editing. You can put setlocal spellin the appropriatevim/after/ftplugin/{filetype}.vim, probably at leastmarkdownandgitcommit.
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    ]swill take you to the next misspelled word.
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    z=will bring up a list of suggestions for correcting the word under the cursor