 However, it is assumed that one person was responsible for all of the nikkudot of the manuscript.The author of this vocalization seems to belong to the Sephardic tradition, which sometimes reverses the "patah" with "qamats", and "tsere" with "segol".Although in general the difference exists, one can find צַריך, אַמַה, עומֶד, עושֵה.