Microsoft included this keyboard along with Urdu Language Locale in its Windows XP operating system for personal computers.[7] This keyboard is now standard for the Urdu language. Developments in earlier part of 2008, led to the introduction of the 'ghost character theory' at the NLA, which allows for computerized orthographic representation of Perso-Arabic script. This enables wider scope of editing with the option of switching between the languages such as Arabic, Balochi, Pashto, Persian, Punjabi, and Sindhi respectively.