formatting - Automatically Break/Merge Lines in Vim -


i'm creating document in latex , lines broken @ 80 characters. easy manually when writing new text, editing of old text leads lines longer or shorter. fixing leads other lines need changed , on.

is there automatic way in vim break lines after 80 characters , merge them if possible?

to make lines 80 characters long can use textwidth

assuming latex file has extension .tex can add following line vimrc

autocmd bufreadpost *.tex setlocal textwidth=80

to format current paragraph can use gqap


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