Thus, in none of the principal religious texts believed composed before the Common Era is there any evidence at all for a sanctioning of the practice of "sati". It is wholly unmentioned, although the archaic Atharvaveda do contain hints of a funeral practice of "symbolic" sati. In addition, the twelfth-century CE commentary of Apararka, claiming to quote the Dharmasutra text Apastamba, it says that the Apastamba prescribes that if a widow has made a vow of burning herself (anvahorana, "ascend the pyre"), but then "retracts" her vow, she must expiate her sin by the penance ritual called "Prajapatya-vrata"