On second thought, I've decided to place the naked source term, without all dashes and further ado, at first position. Thinking ahead, with the future in mind...
Might be a wise decision, regarding sorting and splitting. The future will tell. Soon.
The same technique can be used to add forms with 'real Umlauts' to the source:
I'll try to update the macro to cater for this.
Here's a macro to duplicate source terms like Dokument-Variable to Dokumentvariable: