Have pop-up browsers also delegate their window close and fix the exit(3) assert
Have pop-up browsers also delegate their window close and fix the exit(3) assert

pkdevbox/brackets-app,pkdevbox/brackets-app,can3p/brackets-app,can3p/brackets-app,pkdevbox/brackets-app,can3p/brackets-app,pkdevbox/brackets-app,can3p/brackets-app,can3p/brackets-app,pkdevbox/brackets-app,pkdevbox/brackets-app