Re: standard type class

[kempf%hplabsz@hplabs.HP.COM]

> Suggestion:
>  - eliminate the term "standard type class"
>  - when we mean "a class that corresponds to a predefined Common
>    Lisp type" we should say exactly that, no need to abbreviate.
>  - rename the standard-type-class metaclass to built-in-class,
>    and clarify that it is implementation-dependent whether any
>    potentially built-in class is in fact built-in and has this
>    metaclass.
>  - clarify the requirements on portable programs

These suggestions and the accompanying draft appear to clarify the built
in class section.

		jak