-'none -> empty state
-\"\"(empty string) -> switch to empty state
-'done -> switch to DONE
-'nextset -> switch to the next set of keywords
-'previousset -> switch to the previous set of keywords
-\"WAITING\" -> switch to the specified keyword, but only if it
- really is a member of `org-todo-keywords'."
+`none' -> empty state
+\"\" (empty string) -> switch to empty state
+`done' -> switch to DONE
+`nextset' -> switch to the next set of keywords
+`previousset' -> switch to the previous set of keywords
+\"WAITING\" -> switch to the specified keyword, but only if it
+ really is a member of `org-todo-keywords'."