long line

my .vimrc setting for wrapping line:

set nowrap " Don't auto wrap on load
set fo-=t " Don't wrap text when type
"set colorcolumn= 80
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    set wrap and set textwidth=80 should do it. You can control Vim wrapping pretty precisely see :h 'wrap', :h 'textwidth' and have a look at :h 'linebreak' – statox Dec 23 '17 at 18:55
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    And of course gq to format long lines according to your textwidth setting – D. Ben Knoble Dec 25 '17 at 14:45

Use :set tw=80. Also make sure you are not in “paste” mode. (https://stackoverflow.com/a/1272371/4752883)

If you need visual guidance on where you are with respect to 80 characters you can use :set colorcolumn = 80 (https://vi.stackexchange.com/a/576/13848)

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