duptag := map[tagID]bool{}
for _, seqname := range seqnames {
for _, libref := range cseq.TileSequences[seqname] {
- if dup, seen := duptag[libref.Tag]; seen && !dup {
+ if _, seen := duptag[libref.Tag]; seen {
duptag[libref.Tag] = true
} else {
duptag[libref.Tag] = false