bug#7146: (make-symbol "") issues

[Stefan Monnier]

>> CommonLisp has a |....| syntax
> I don't think it is a good idea to add a new special character, so ##
> would still be my choice.

Another approach is to follow the same idea as with "#:" ("#: is
immediately followed by <sym> so if it's followed by something that's
not appropriate it means <sym> is empty").
I.e. "#N=" could be used for the empty interned symbol.


        Stefan