[Avodah] eruv tavshilin

[Micha Berger]

I forgot to add the Shemiras Shabbos keHilchasah's conclusion (44:12) --
make the eruv without a berakhah, safeiq berakhos lehaqeil.

So the answer to RET's question is "yes", at least we're choshedim for
berakhah levatalah.

Tir'u baTov!
-Micha