Create mission using Eden editor. Save the mission.
Create miscellaneous script files that are invoked through the init.sqf.
Preview the mission.
Hit escape.(pause)
Hit alt/enter (windowed)
hit alt/tab (switch to text editor)
Edit and save random custom created script. Do not edit the mission.sqm.
Switch back to paused preview.
Return to the editor.
Reload the mission.
Nothing exists. Only the map is displayed.
View the mission.sqm in the text editor.