inoremap <buffer> + <C-O>:call InsertSpace('+')<CR> function! InsertSpace(chr) let left = getline(".")[col(".")-2] let right = getline(".")[col(".")-1]
if left == ' ' && right == ' ' execute "normal i\<C-V>".a:chr."\<Right>" elseif left != ' ' && right != ' ' execute "normal i \<C-V>".a:chr." \<Right>" elseif left != ' ' execute "normal i \<C-V>".a:chr."\<Right>\<Right>" elseif right != ' ' execute "normal i\<C-V>".a:chr." \<Right>" endif endfunction
