+(55) Fixed a couple of compiler warnings and other bugs. Changed "freeglut_main.c" to remove a compiler warning. Changed "freeglut_structure.c" to set the current window before calling the window closure callback.
+
+
+*******************************************************************************************
+* Changes on 17-19 June 2003
+*******************************************************************************************
+
+(56) Added glutGetProcAddress()
+
+(57) Added GLUT_FPS env var.
+
+(58) Implemented Aleksandar Donev's user data changes: added user data fields to window and menu structures and implemented functions to get and set them
+
+(59) Added a "MenuDestroy" callback which sets a function that "freeglut" calls when a menu is destroyed.
+
+
+