[Dune] Question about id sets

[Oliver Sander]

Dear Dune!

I have been asking myself the following for a while now:  why are there
both a global and a local id set?  Why is the global one not enough?

Thanks for clarifications,
Oliver

************************************************************************
* Oliver Sander                ** email: sander at mi.fu-berlin.de        *
* Freie Universität Berlin     ** phone: + 49 (30) 838 75217           *
* Institut für Mathematik II   ** URL  : page.mi.fu-berlin.de/~sander  *
* Arnimallee 6                 ** -------------------------------------*
* 14195 Berlin, Germany        ** Member of MATHEON (www.matheon.de)   *
************************************************************************