Editing PERF 558 (section)

==Features==
* The first well-attested use of the [[Arabic diacritics|disambiguating dots]] that would become an essential feature of the [[Arabic alphabet]];
* It begins with the Greek formula "ev onomati tou teou" (In the Name of God) after a [[Sign of the Cross]]
* It records the date both in the [[Islamic calendar]] (an unspecified day in the month [[Jumada al-awwal|Jumada I]], year 22) and in the [[Coptic calendar]] (30 [[Parmouti]], 1st [[indiction]]), corresponding with 25&nbsp;April 643 in the [[Julian calendar]].
* In Greek, it calls the [[Arab]]s "Magaritae", a term, believed to be related to the Arabic "[[muhajirun|muhajir]]" often used in the earliest non-Islamic sources.  It also calls them "[[Saracen]]s".