On 12 Aug 2011, at 22:08, Andy Wingo wrote:

>> FYI: running this file with Guile 2.0.2, the last test claims does not have 
>> call/cc safe 'map'.
>>  http://sisc-scheme.org/r5rs_pitfall.scm
> 
> This behaviour is permissible in the R5RS.  In R6RS it is not, and it
> doesn't look like it will be permissible in R7RS either.  We'll fix it
> eventually, but it will require some serious VM hacking (to allow for
> effectively unlimited stacks).

OK. Thanks for the info.

Hans



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