Nested Groups

[ariutta]

Pvjs is currently not set up to handle nested groups. PathVisio is also supposed to be set up to not create nested groups, but I think this pathway wasn't working for Egon due to a nested group:
https://www.wikipathways.org/index.php/Pathway:WP884

Here's an old example pathway with a nested group:
https://www.wikipathways.org/index.php?title=Pathway:WP481&action=edit&oldid=82731