convert transaction with = to normal but pass isSet=true

ledger/delta.go

@@ -14,6 +14,7 @@ type Delta struct {
 	Value       float64
 	Currency    Currency
 	Description string
+	isSet       bool
 }
 
 func newDelta(d, desc, name string, v float64, c string) Delta {
@@ -36,5 +37,10 @@ func (delta Delta) Plus(other Delta) Delta {
 }
 
 func (delta Delta) Debug() string {
-	return fmt.Sprintf("{@%s %s:\"%s\" %.2f %s}", delta.Date, delta.Name, delta.Description, delta.Value, delta.Currency)
+	return fmt.Sprintf("{@%s %s:\"%s\" %s%.2f %s}", delta.Date, delta.Name, delta.Description, func() string {
+		if !delta.isSet {
+			return ""
+		}
+		return "= "
+	}(), delta.Value, delta.Currency)
 }