I am using MyEclipse Workbench 8.6 for my development environment. The workspace has around 30 projects categorized into several Working Sets each of which has a corresponding folder in the file system.
Is there a way in MyEclipse to create a nested Working Set?
It would seem that this was implemented according to this bug report as long back as Eclipse 3.1
After some googling and comparing the release date of MyEclipse 8.5 and Eclipse Release dates, I am guessing that your version of MyEclipse is based on Eclipse Helios ?
Also, this seems to suggest that some work was done on this long back.
I also checked Eclipse JUNO and even that doesn't have the functionality of nested working sets.
Thus, out of the box, there seems to be no way to do this. Another SO question asked on the same topic was never answered.