according to the Maharil and Rama maaser funds are…
according to the Maharil and Rama maaser funds are exclusively for the benefit of the poor and not to be used for . Any other mitzvah purpose. However, it seems that if by being that Honoree of the circumcision, one benefits, the babies father who is unable to support himself, I like the ability to pay the expenses of the circumcision likeWise with paying for the expenses of the wedding ceremony, if the couple lacks the ability to support themselves and similarly with regard to purchasing secret text and lending them to others who lack the ability to purchase books themselves, one ought not to be at all strict on these matters for this itself is like charity.
— from The Flight Plan (Purpose/Wisdom/Risk)