Original sentence: However in his youth he developed Greek, and and as an adult, finally he adopted Bulgarian national identity.In the last decade of his life, he adhered some form of vague local patriotism, though continued to identify himself as a Bulgarian.In this way Parlichev’s national identity has been used by Macedonian historians to prove the existence of Macedonian national identity during the late 19th century.It had been under way until the 1830s, when the rise of Greek nationalism destroyed it and lead later to the formation of the modern  nations on the Balkans.Parlchev, is seen by Detrez as belonging basically to the Romaic community, and initially he had no well-defined sense of national identification.Per Raymond Detrez, who is an expert of the issue, in his early life Parlichev was a member of the  “Romaic community”, a multi-ethnic proto-nation, to comprise all Orthodox Christians of the Ottoman Empire
Edited sentence: Parlchev, is seen by Detrez as belonging basically to the Romaic community, while in his youth he developed Greek, and and as an adult, finally he accepted Bulgarian identity.Per Raymond Detrez, who is an expert of the issue, in his early life Parlichev was a member of the  “Romaic community”, a multi-ethnic proto-nation, to comprise all Orthodox Christians of the Ottoman Empire, that had been under way until the 1830s, when the rise of Greek nationalism destroyed it and lead later to the formation of modern  nations on the Balkans