[ULPIANUS libro quarto ad edictum. ] §2.14.26.pruidelicet si hoc actum sit, ne a reo quoque petatur.
[ULPIANUS, On the Edict, book 4] namely, if this was agreed, that it should not be demanded from the debtor either.
idem et in confideiussoribus est.
The same is true also in the case of co-sureties.