[Avodah] Falling Tallis

[Moshe Y. Gluck]

SA OC 8:15 says that if one's Tallis inadvertently falls, one has to repeat
the Berachah when putting it back on. Be'er Heitiv (also quoted by Mishneh
Berurah) says that this is the case even if one is still wearing a Tallis
Katan, unlike in the previous S'if, where one deliberately removed his
Tallis, but is planning to put it back on. In that case, the Ramah says that
one does not have to repeat the Berachah, if he is wearing a Tallis Katan.

Two questions: 1) I recall seeing R' Moshe Feinstein say that in the case
where the Tallis inadvertently fell, one does _not_ have to repeat the
Berachah if he was wearing a Tallis Katan - not like the Be'er Heitiv. Does
anyone remember such a thing, from RMF or someone else? (Yagati V'lo
Matzasi.) 2) I asked someone about this, and he said he recalled hearing the
R' Yaakov Kamenetzky said that the current Minhag is not to repeat the
Berachah should one's Tallis fall. Can anyone corroborate this?

KT,
MYG