Gary Baumgartner wrote in June:
> In 0.6.6, opening srfi-5 seems to break some original uses of let:
>
> > (let () 'hi)
> 'hi
> > ,open srfi-5
> Load structure srfi-5 (y/n)? y
> [srfi-5 /usr/lib/scsh/srfi/srfi-5.scm]
> > (let () 'hi)
>
> Warning: invalid expression
> ()
>
> Error: undefined variable
> standard-let
> (package srfi-5)
>
>
> The file scheme/srfi/srfi-5.scm in the source distribution rewrites let
> to standard-let, but there is no standard-let defined. A fix seems to be
> to change
>
> (define-structure srfi-5 (export (let :syntax))
> (open (modify scheme-level-2 (hide let)))
>
> to
>
> (define-structure srfi-5 (export (let :syntax))
> (open (modify scheme-level-2 (rename (let standard-let)) (hide let)))
>
> in scheme/more-packages.scm.
>
> I'm not familiar with the details of the structure system, so I may not
> be opening the package correctly. Furthermore, if it is a bug I'm unclear
> whether (hide let) should be left in.
Has this been adressed by anybody in the meanwhile? As far as I can
see, this is a bug (either in scsh or in srfi-5's example
implementation, depending on how you look at it) and Gary's proposal
seems to correct it.
--
Andreas.
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