+" indent {{{1
+set expandtab " expand <Tab> to spaces in Insert mode
+set smarttab " a <Tab> in an indent inserts 'shiftwidth' spaces
+set softtabstop=4 " if non-zero, number of spaces to insert for a <Tab>
+set shiftwidth=4 " number of spaces used for each step of (auto)indent
+set shiftround " round to 'shiftwidth' for "<<" and ">>"
+
+set cindent " use smart C indenting (see :h C-indenting)
+set cinoptions=l1,c4,(0,U1,w1,m1,j1,J1
+
+:nmap <Leader>b :set expandtab tabstop=4 shiftwidth=4 softtabstop=4<CR>
+:nmap <Leader>B :set expandtab tabstop=8 shiftwidth=8 softtabstop=4<CR>
+:nmap <Leader>M :set noexpandtab tabstop=8 softtabstop=4 shiftwidth=4<CR>
+:nmap <Leader>m :set expandtab tabstop=2 shiftwidth=2 softtabstop=2<CR>
+