Original sentence: After the 1979 Iranian Revolution many Iranians migrating to the West continued to use 'Farsi' to identify their language in English and the word became commonplace in English-speaking countries.Farsi is the Arabicized form of Parsi, due to a lack of the /p/ phoneme in Standard Arabic.In English, however, the language has historically been known as "Persian".On the other hand, "Farsi" is also encountered frequently in the linguistic literature as a name for the language, used both by Iranian and by foreign authors.Persian, the more widely used name of the language in English, is an Anglicized form derived from Latin * < Latin  < Greek , a Hellenized form of Old Persian
Edited sentence: After the 1979 Iranian Revolution many Iranians migrating to the West unaware of the English word, continued to use 'Fārsi' in an English context to identify their language in English and the word became commonplace in English-speaking countries creating much confusion.In English, however, the language has historically only been known as Persian.On the other hand, the non-English name "Farsi" is also recently encountered frequently in the linguistic literature as a name for the language, used both by Iranian and by foreign authors.Persian the English name for this language and the more widely used name of the language in English, is an Anglicized form derived from Latin * < Latin  < Greek , a Hellenized form of Old Persian.The local name Fārsi is the Arabicized form of Pārsi, due to a lack of the /p/ phoneme in Standard Arabic.These usages are based on the wrong usage of the local name instead of the English name (compare: German/Deutsch or Italian/Italiano).Urdu(Ördu)(in Pakistan)