--- a/vim/vimrc	Wed Mar 28 16:10:38 2012 -0700
+++ b/vim/vimrc	Thu Mar 29 16:25:18 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