Joining Group - He

He is a joining group value that defines how the Arabic letter Heh behaves when connected to adjacent characters in scripts like Arabic and Syriac. Specifically, He indicates that this letter joins on both sides, forming a bidirectional connection with preceding and following letters, but without the special tail or loop variations seen in other forms. This value ensures that the isolated, initial, medial, and final contextual shapes of Heh are rendered correctly, distinguishing it from similar letters like Tah or Meem. In practical terms, He directs shaping engines to apply the standard cursive ligature rules, so the letter appears as a closed loop when connected, rather than breaking the visual flow. It applies to variants such as Heh Goal and Knotted Heh, preserving their distinct outlines while maintaining consistent joining behavior across words.