The text is taken from Shay Lamora Exodus, page 153b. It is part of one of the book's numerous stories. Lingua Franca words are emphasized here, but not in the original of course. And immediately they got up, went out from the Sultan's presence, and when the time arrived on the day which they had fixed for the assembly, the Sultan gave an order to his scribe, and he wrote letters to all the priests and all the great ones of the kingdom who were in the country, and he also wrote letters to the rabbis and chief men of the Jews. And this took place in the very moment which he fixed for them, they were all assembled before him.
Notes fixar is made into an Arabic pluperfect tense.
The term is used also as a polite form of address to non-muslims.