ref: 854729a4c1cd2db5a27628af9f77ed907251f875
parent: 8d1771774944a92cfd9650ba36007889e9b3e861
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Tue Oct 10 12:07:47 EDT 2023
clean up dynamic reallocation of arrays; fix nonsensical MAXEDGES value