3.4.12 Closing a Script
If you have saved or exported a script, then you can close the use of the Graphical Script Editor. window by selecting the menu item "File|Quit" or by clicking on 
the upper right corner of the "Use of the Graphical Script Editor." window. If you close a modified script, you have the option of saving it as a draft or rejecting it.
the upper right corner of the "Use of the Graphical Script Editor." window. If you close a modified script, you have the option of saving it as a draft or rejecting it.