Woop, a HACKING document for openbox at last!
+dirs:
+ kernel - core of the WM
+ render - librender, rendering routines for the WM and for apps
+ cwmcc - client-wm-client communication. netwm/icccm helper routines
+ for the WM and apps
+ obcf - openbox config format, generic parser for config files
+ plugins - various plugins
+
Beware the Client.transient_for. It can be set to a !NULL value of TRAN_GROUP,
which is not a valid pointer. You must ALWAYS check for TRAN_GROUP before
following transient_for. When TRAN_GROUP is found, Client.group will always