A sidur I used this morning had the introductory line of the shir shel yom as "hayom yom sheni b'shabas". When I checked the two sidurim I trust the most for excatitude in these matters, one had ...
I've seen both pronunciations (at the beginning of the second bracha in shmoneh esrei): Aleph-patach, tav-kuhmuhtz, heh (implied stress on second syllable) Aleph-kuhmuhtz-meseg, tav-kuhmuhtz, heh ...
I prayed using a Siddur Tehillat Hashem the other day, and I noticed that many more shvas were marked with an asterisk above, indicating that they should be vocalized, than I'd expect. In particular, ...