.

wcfs/internal/zdata/δftail.go

@@ -403,7 +403,7 @@ func (δftail *_ΔFileTail) forgetPast(revCut zodb.Tid) {
 
 	// vδE[:icut] should be forgotten
 	if icut > 0 { // XXX workarond for ΔFtail.ForgetPast calling forgetPast on all files
-		δftail.vδE = append([]_ΔFileEpoch(nil), δftail.vδE[icut:]...)
+		δftail.vδE = append([]_ΔFileEpoch{}, δftail.vδE[icut:]...)
 	}
 }