That may be an understatement. There is a previous thread here about the revised LH that may be of interest. The preface of the previous edition gave rather complicated rules for determining which notes were to have the normal syllabic value, whether marked or not. See p. 23: https://forum.musicasacra.com/forum/uploads/FileUpload/10/6fb87040ab599517f709f0af311841.pdfnow there is a little division on interpretation due to so many versions
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