Like ISO 8859-8, it encodes only letters, not vowel-points or cantillation marks.
From the en.wikipedia.org
Cantillation signs guide the reader in applying a chant to Biblical readings.
From the en.wikipedia.org
Spanish and Portuguese traditional cantillation has several unique elements.
From the en.wikipedia.org
In printed Bibles the Ten Commandments carry two sets of cantillation marks.
From the en.wikipedia.org
The cantillation signs are often an important aid in the interpretation of a passage.
From the en.wikipedia.org
The cantillation melody for Psalms can also vary depending on the occasion.
From the en.wikipedia.org
A similar but much more elaborate manner of cantillation is used on special occasions.
From the en.wikipedia.org
The current system of cantillation notes has its historical roots in the Tiberian masorah.
From the en.wikipedia.org
Most cantillation signs are written on the consonant of the stressed syllable of a word.
From the en.wikipedia.org
More examples
Liturgical chanting
(cantillate) chant: recite with musical intonation; recite as a chant or a psalm; "The rabbi chanted a prayer"
Cantillation is the ritual chanting of readings from the Hebrew Bible in synagogue services. The chants are written and notated in accordance with the special signs or marks printed in the Masoretic text of the Hebrew Bible (or Tanakh) to complement the letters and vowel points. ...