Joining Group - Straight Waw

Straight Waw is a joining group that defines how the Arabic letter waw behaves in script when connected to neighboring characters, specifically in cursive text rendering. It indicates that this form of waw does not connect to the following character, but it does join to the preceding one, creating a right‑to‑left connection only. This results in a standalone appearance on the left side while maintaining a link from the right, which is typical for letters that only allow a final or isolated form in certain orthographies, such as in some Persian or Urdu contexts. The value ensures consistent shaping across fonts and text processing systems, preserving the intended visual form without unintended ligatures or breaks in the connected script flow.