More layout requirement First Public Working Drafts published.

- Perso-arabic Kashmiri Layout Requirements
https://www.w3.org/TR/arab-ks-lreq/

- Urdu Layout Requirements
https://www.w3.org/TR/arab-ur-lreq/

- Uighur Layout Requirements
https://www.w3.org/TR/arab-ug-lreq/

These languages are all written right-to-left (based on the Arabic script) and are used in India, Pakistan, and Western China. Urdu & Kashmiri are normally written in the nastaliq writing style.