[smartsyntax] accept leading tabs in additions of spaces
[smartsyntax] accept leading tabs in additions of spaces

twitwi/deck.js,twitwi/deck.js,alexjobs/deck.js-1,twitwi/deck.js,alexjobs/deck.js-1,ProgRT/deck.js,alexjobs/deck.js-1,ProgRT/deck.js,ProgRT/deck.js