[dox] enum specs vs reality

[captaindet]

i admit that i am not very good at reading/understanding language definition 
syntax. but yet i think the given enum specs ( http://dlang.org/enum.html ) are 
not quite in order.

they seem to imply that both

enum ;
enum WhatAmI ;

are correct. while the first one throws an error as expected, the second one 
passes and is partially usable, potentially similar to C's #define OPTION. 
however, typedef's throwing of an error makes me doubt that this is legal:

----
import std.stdio, std.traits;

enum test;              // passes but is it really legal?

int main(string[] args)
{
        writeln( __traits(compiles, test) );    // true

        writeln( is( test == enum ) );                  // true
        
        writeln( isBasicType!(test) );                  // true

        writeln( isSomeFunction!(test) );               // false

        //  writeln( typeof(test).stringof );           // Error: argument test 
to typeof is not an expression

        return 0;
}