What can we use sets for?

[markus-stoll]

What can we use sets for?
-Hold operator output (indices)
-Manual input indicies
Do we really need sets?

[wadoon]

are an idea from @ssuwelack, that derives from Abaqus.
An object could describe with more than one mesh. e.g. invisible physical boundary.

[ssuwelack]

Schema file: Sets not mandatory

[wadoon]

<element name="sets" type="msml:sets_t" minOccurs="0" maxOccurs="1"/>
optional since 5934112 » Stefan Suwelack 2014-02-20 Committing msml to github

[markus-stoll]

Do we actually support sets in any exporter? Do we have an example using sets?
It looks like our current examples contain sets -- but do not use it. I think we should remove unsued sets to clean up the examples.