Collapsible cell can be toggled in the embedded cell editor (the one that appears after a double click)
Collapsible cell can be toggled in the embedded cell editor (the one that appears after a double click)

mbeddr/mbeddr.core,mbeddr/mbeddr.core,mbeddr/mbeddr.core,mbeddr/mbeddr.core,mbeddr/mbeddr.core