/* Primitive operations on floating point for GNU Emacs Lisp interpreter.
-Copyright (C) 1988, 1993-1994, 1999, 2001-2014 Free Software Foundation,
+Copyright (C) 1988, 1993-1994, 1999, 2001-2015 Free Software Foundation,
Inc.
Author: Wolfgang Rupprecht
}
DEFUN ("isnan", Fisnan, Sisnan, 1, 1, 0,
- doc: /* Return non nil iff argument X is a NaN. */)
+ doc: /* Return non nil if argument X is a NaN. */)
(Lisp_Object x)
{
CHECK_FLOAT (x);