Improved showing of whitespace

*   show trailing space as well
*   use Unicode characters
*   toggle with <F2>

dotfiles/vim/vimrc

 "########################
 "######## from me #######
 
-set listchars=tab:>-,precedes:<
+set encoding=utf-8
+set list listchars=tab:→\ ,trail:·,precedes:←
 set list
+noremap <F2> :set list!<CR>
 
 " my favorite indent style
 set tabstop=4