ogsf: note major todos

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@47475 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/ogsf/ogsflib.dox

@@ -73,6 +73,12 @@ the appendix (PLEASE ADD EXPLANATIONS!!):
  - private types and defines include/gstypes.h
  - private utilities gsget.h
 
+\section ogsfTodo Major todos
+
+- remove global variables
+- dynamically allocate items instead of static arrays
+- merge GP_ functions into GV_
+
 \section ogsfPublic Public function prototypes
 
 \subsection ogsfGs Initialization and positioning surfaces (GS)