strmxor test.oas empty.oas xor.oas should use test.oas top cellname, not XOR

[stefanottili]

strmxor -l test.oas empty.oas xor.oas
klayout test.oas -s empty.oas -m xor.oas

loads the xor result file. Trying to navigate to the errors in the Marker Database Browser shows:

0/0 [XOR]
Current layout cell 'test' not found in marker database and no path found from marker's cell 'XOR' to current cell in the layout database.

Instead of XOR strmxor should use the toplevel cellname of the first layout file. test.tgz

[klayoutmatthias]

By default, strmxor will not use the top cell of the first layout. If you want to have "XOR" back, there is a specific option for the output top cell now: -to <output-cell> or `--top-output "