--- ray/doc/man/man1/ev.1 2004/01/01 19:31:44 1.3 +++ ray/doc/man/man1/ev.1 2007/09/04 17:36:40 1.4 @@ -1,4 +1,4 @@ -.\" RCSid "$Id: ev.1,v 1.3 2004/01/01 19:31:44 greg Exp $" +.\" RCSid "$Id: ev.1,v 1.4 2007/09/04 17:36:40 greg Exp $" .TH EV 1 10/28/96 RADIANCE .SH NAME ev - evaluate expressions @@ -60,7 +60,7 @@ trigonometric functions. inverse trigonometric functions. .TP .BR "atan2(y, x)" -inverse tangent of y/x (range -pi to pi). +inverse tangent of y/x (range \-pi to pi). .SH EXAMPLE To pass the square root of two and the sine of .5 to a program: .IP "" .2i