.

go/zodb/db.go

@@ -310,7 +310,7 @@ type hwaiter struct {
 //
 // Must be called db.mu released.
 func (db *DB) headWait(ctx context.Context, at Tid) (err error) {
-	defer xerr.Contextf(&err, "wait head ≥ %s", at)
+	defer xerr.Contextf(&err, "wait head ≥ @%s", at)
 
 	// precheck if db is already down -> error even if at is under coverage
 	if ready(db.down) {

go/zodb/δtail.go

@@ -199,6 +199,7 @@ func (δtail *ΔTail) ForgetPast(revCut Tid) {
 	δtail.tail = revCut
 }
 
+// XXX -> RevAt ?
 // LastRevOf tries to return what was the last revision that changed id as of at database state.
 //
 // Depending on current information in δtail it returns either exact result, or