Subject: Re: [ast-developers] "command" builtin leaks environment with special  
builtin argument.

> Quoting POSIX on the command utility:
>     82858 If the command_name is the same as the name of one of the special 
> buil
> t-in utilities, the special
>     82859 properties in the enumerated list at the beginning of Section 2.14 
> (on
>  page 2356) shall not occur.
> This suggests it should be possible to negate the effects of a special builtin
> by prefixing the "command" regular builtin. In ksh, "command" suppresses
> function lookup with no impact on the environment or evaluation order.

Thanks, I have fixed this for ksh93v.

David Korn
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