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" Tests for the :set command
function Test_set_backslash()
let isk_save = &isk
set isk=a,b,c
set isk+=d
call assert_equal('a,b,c,d', &isk)
set isk+=\\,e
call assert_equal('a,b,c,d,\,e', &isk)
set isk-=e
call assert_equal('a,b,c,d,\', &isk)
set isk-=\\
call assert_equal('a,b,c,d', &isk)
let &isk = isk_save
endfunction
function Test_set_add()
let wig_save = &wig
set wildignore=*.png,
set wildignore+=*.jpg
call assert_equal('*.png,*.jpg', &wig)
let &wig = wig_save
endfunction
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