my vimrc

gistfile1.txt

" size of a hard tabstop
set tabstop=4

" size of an "indent"
set shiftwidth=4

" combination of spaces and tabs are used to simulate tab stops at width
" other than the (hard)tabstop
set softtabstop=4

" make "tab" insert indents instead of tabs at the beginning of a line
set smarttab

" always use spaces instead of tab characters
set expandtab