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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 char = get(b:, 'quote_char', '>')
" Iterate over each matched line
for li in range(line('''['), line(''']'))
" Get current line text
let cur = getline(li)
" Don't quote the first or last lines if they're blank
if !strlen(cur) && (li == line('''[') || li == line(''']'))
continue
endif
" Only add a space after the quote character if this line isn't already
" quoted with the same character
let new = cur[0] == char
\ ? char.cur
\ : char.' '.cur
call setline(li, 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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