On Thu, Apr 12, 2012 at 10:01 PM, Alan Watson <alan@alan-watson.org> wrote:
>
> Hang on a second. I didn't say or imply that this was frivolous and I did not say or imply that you did this without thinking about the consequences. I just pointed out a cost and said you needed to consider it. Furthermore, one of my suggestions for mitigating the cost (having write produce #t/#f) explicitly left the new spellings intact.

Sorry, I was replying to you as the OP, but the
strength of my response was directed more at the later
replies.

> I did look for the rationale, but did not find any discussion of the implications for sharing data between different generations of Scheme. Perhaps I missed it, and if so I apologize for wasting your time.

This goes with the territory of any syntactic changes,
like the new symbol literals, bytevectors, and the
two (!) new types of comments.  I certainly considered
it, and took it into account when implementing the
syntax in Chibi for read only.

The charter requires we are backwards compatible
with R5RS, not forwards compatible.

--
Alex

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