now adapting header of topology-file to the fact that loss is present/absent, autocompleting the other direction (rantom 0 = no loss), when only one direction of a edge is defined to be lossy
now adapting header of topology-file to the fact that loss is present/absent, autocompleting the other direction (rantom 0 = no loss), when only one direction of a edge is defined to be lossy

theuerse/netedit,theuerse/netedit