Note:This form of the article ὁ appears with an accent when it is followed by an enclitic (e.g., ὅ τε ἱερεὺς = "and the priests" Acts 14:13. See also: Acts 1:13; 5:24; 8:38; 13:1; 17:14; 18:5; 21:23; Heb. 2:11; Luke 23:12)
Note:In Acts 9:6 (ὅ τί σε ), observe how ὁ receives the accent from τι and how τι receives the accent from σε . Therefore τί is an indefinite pronoun, not an interrogative pronoun