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" Figure out if we have the 'j' flag for 'formatoptions', to automatically
" delete comment leaders when joining lines; keep it in a script variable
let s:formatoptions_has_j = v:version > 703
\ || v:version ==# 703 && has('patch541')
" If we do have 'j', default to setting it
if s:formatoptions_has_j
set formatoptions+=j
endif
"
" Use toggle_option_flag.vim plugin to bind quick toggle actions for some
" 'formatoptions' flags:
"
" c - Automatically wrap comments at 'textwidth' (which I allow the filetypes
" to set for me)
" t - Automatically wrap text at 'textwidth' (as above)
"
" Only in Vim >= 7.0 (I think):
"
" 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
"
if has('eval') && has('user_commands')
" 'c' and 't' have both been around since at least 6.1
nnoremap <silent>
\ <Leader>c
\ :<C-U>ToggleOptionFlagLocal formatoptions c<CR>
nnoremap <silent>
\ <Leader>t
\ :<C-U>ToggleOptionFlagLocal formatoptions t<CR>
" 'a' is newer
if v:version >= 700
nnoremap <silent>
\ <Leader>a
\ :<C-U>ToggleOptionFlagLocal formatoptions a<CR>
else
nnoremap <silent>
\ <Leader>a
\ :<C-U>echomsg 'No "formatoptions" "a" flag in Vim < 7.0'<CR>
endif
endif
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