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" Quote lines in mail and mail-based formats: Markdown, Git commits, etc
" Operator function wrapper for the mapping to call
function! quote#Quote() abort
set operatorfunc=quote#QuoteOpfunc
return 'g@'
endfunction
" Quoting operator function
function! quote#QuoteOpfunc(type) abort
" May as well make this configurable
let l:char = exists('b:quote_char')
\ ? b:quote_char
\ : '>'
" Iterate over each matched line
for l:li in range(line('''['), line(''']'))
" Get current line text
let l:cur = getline(l:li)
" Don't quote the first or last lines if they're blank
if !strlen(l:cur) && (l:li == line('''[') || l:li == line(''']'))
continue
endif
" Only add a space after the quote character if this line isn't already
" quoted with the same character
let l:new = stridx(l:cur, l:char) == 0
\ ? l:char.l:cur
\ : l:char.' '.l:cur
call setline(l:li, l:new)
endfor
endfunction
" Tack on reformatting the edited text afterwards
function! quote#QuoteReformat() abort
set operatorfunc=quote#QuoteReformatOpfunc
return 'g@'
endfunction
" Wrapper operator function to reformat quoted text afterwards
function! quote#QuoteReformatOpfunc(type) abort
call quote#QuoteOpfunc(a:type)
normal! '[gq']
endfunction
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