About this blogger:
A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004), and did graduate work in Musicology. He serves as choirmaster for the new FSSP parish in Los Angeles, where he resides with his wife and children.
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At the Council of Trent, the subject was raised whether it was correct to refer to the unconsecrated elements of bread and wine as “immaculata hostia” (spotless victim) and “calix salutaris” (chalice of salvation) in the offertory prayers. Likewise the legitimacy of the making the sign of the cross over the elements after the Eucharistic consecration was discussed.
— Fr. Uwe Michael Lang, Cong. Orat.
Editio Vaticana Errata
published 7 November 2010 by Jeff Ostrowski

As great as the Editio Vaticana is, it is not perfect in every detail.

Joseph Gogniat points out that the Vatican Edition sometimes fails to mark each liquescent:

Here is another instance where liquescents are missing:

N.B. This example was taken from Cantus Selecti, which is not (strictly speaking) part of the Vatican Edition.