sfiera/vim-emacsmodeline — pull request #4 by dlitz (2014-05-26 07:15:39+00:00)
Title: Set sw=0 sts=-1 instead of setting them both to the value of 'ts'.

Should be functionally equivalent, but avoids problems for people who
set softtabstop=-1 in their .vimrc and expect the value to stick.