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" If we can, add j to the format options to get rid of comment leaders when
" joining lines
if v:version > 703 || v:version == 703 && has('patch541')
set formatoptions+=j
endif
"
" Quick way to toggle flags in 'formatoptions' that I often want to change;
" specifically:
"
" a - Automatically format paragraphs, reapplying the wrap on every text
" insertion or deletion; sometimes I want this and sometimes I
" don't, it particularly varies when typing prose in Markdown that
" includes headings and code
" c - Automatically wrap comments at 'textwidth' (which I allow the filetypes
" to set for me)
" t - Automatically wrap text at 'textwidth' (as above)
"
" So I just have to type e.g. \a to toggle the auto-format flag on and off;
" very handy
"
if has('eval')
function! ToggleFormatFlag(flag)
let l:operation = (&formatoptions =~ a:flag) ? '-=' : '+='
silent! exec 'setlocal formatoptions' . l:operation . a:flag
setlocal formatoptions?
endfunction
nnoremap <silent> <leader>a :<C-U>call ToggleFormatFlag('a')<CR>
nnoremap <silent> <leader>c :<C-U>call ToggleFormatFlag('c')<CR>
nnoremap <silent> <leader>t :<C-U>call ToggleFormatFlag('t')<CR>
endif
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