set spell "autocmd BufWritePost * silent! !refer % | grap | pic | tbl | eqn | troff -dpaper=a4 -ms | grops -p a4 > %:r.ps "autocmd BufWritePost * silent! !cat % | n-eqn | n-roff -ms -mtbl | n-post > %:r.ps set tw=0 set nowrap set tabstop=8 "A tab is 8 spaces set expandtab "Always uses spaces instead of tabs set softtabstop=4 "Insert 4 spaces when tab is pressed set shiftwidth=4 "An indent is 4 spaces set shiftround "Round indent to nearest shiftwidth multiple