SECONDS may be a floating-point value, meaning that you can wait for a
fraction of a second. Optional second arg MILLISECONDS specifies an
additional wait period, in milliseconds; this is for backwards compatibility.
-\(Not all operating systems support waiting for a fraction of a second.) */)
+(Not all operating systems support waiting for a fraction of a second.) */)
(Lisp_Object seconds, Lisp_Object milliseconds)
{
double duration = extract_float (seconds);