Add todo for root zshrc

zshrc.org

@@ -51,6 +51,10 @@ Each environment has slightly different setups, which will be tangled
 to different files according to the function `org-tags-to-filenames',
 defined in the previous section.
 
+*** TODO replace em-world alias with a function accepting arguments
+    now, the em-world is an alias that only exists in the version of
+    zshrc that I use for root.  How do I want to proceed?
+
 *** Include                                                 :daily:android:
 First, include a script that sets a number of confidential data (e.g. API keys and such)
 #+begin_src sh