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Re: Issue: IGNORE-VARIABLE (Version 1)

>   1. Define that the variable IGNORE (in the LISP package only) is always
>      implicitly ignored. It is an error to use the variable IGNORE.
>      A declaration of (IGNORE IGNORE) is permitted, but redundant. 
>   2. Permit the variable IGNORE (or any variable declared ignored with the
>      IGNORE declaration) to be a duplicated variable in a binding list.

The Explorer already supports this except for the part about permitting
multiple use of any variable declared IGNORE.

I agree that this is a convenience which is often used, but I am less
sure about whether it is good programming practice.