--- a/vim/vimrc	Tue Mar 27 20:31:33 2012 -0700
+++ b/vim/vimrc	Thu Mar 29 21:53:12 2012 -0700
@@ -153,6 +153,9 @@
 " Going left and right let you go to other lines.
 set whichwrap+=<,>,h,l
 
+" How to show invisible characters
+set listchars=eol:$,tab:>-,trail:-,extends:>,precedes:<,nbsp:%,conceal:.
+
 " Folds are defined by markers in the text.
 set foldmethod=marker
 
@@ -262,7 +265,7 @@
 nnoremap <C-right> :wincmd l<cr>
 
 " Open NERDtree.
-nnoremap <F2> :NERDTreeToggle<cr>
+nnoremap <F2> :NERDTreeToggle %:p:h<cr>
 
 " Switch buffers.
 nnoremap <F3> :execute ("buffer " . bufname("#"))<cr>