IMPROVED : Encoding UTF-8 for generating PHPDoc

Classes/PHPExcel/Calculation/MathTrig.php

@@ -1,4 +1,4 @@
-<?php
+<?php
 /**
  * PHPExcel
  *
@@ -79,7 +79,7 @@ class PHPExcel_Calculation_MathTrig {
 	 * ATAN2
 	 *
 	 * This function calculates the arc tangent of the two variables x and y. It is similar to
-	 *		calculating the arc tangent of y ÷ x, except that the signs of both arguments are used
+	 *		calculating the arc tangent of y ÷ x, except that the signs of both arguments are used
 	 *		to determine the quadrant of the result.
 	 * The arctangent is the angle from the x-axis to a line containing the origin (0, 0) and a
 	 *		point with coordinates (xCoordinate, yCoordinate). The angle is given in radians between