Wikipedia has locked its page on the font for editing as the scandal grows.
Army boss Raheel Sharif is stepping down for Qamar Javed Bajwa in a rare peaceful transition.
Sabri was a famous singer of Qawwali, a type of Sufi devotional music.
The city has previously been targeted by the Pakistani Taliban.
Islamabad will not sanction support for Saudi airstrikes over concerns of stoking anti-Shia sentiment, say analysts.