Source (melody is identical in LH2019) with the same text adaptation as Sandhofe
In the 1916 LN psalter draft, Mocquereau has Do(f)mi(f)num(f) De(fg)um(gf~) and the rest as in LH83/Sandhofe. This should be examined.
I think we ought to follow LH83 as the more recent, authoritative source
Turns out, the germanic mss, and Hartker, agree on Do(f)mi(f)num(f) - this is an error in the Liber Hymnarius (as much as it attempts to render the earliest known tradition).
Following mattiacus, mocquereau, hartker and the germanic tradition on this one
Typo