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In R6RS, a complex number with imaginary part 0 is only real if the imaginary part is an exact 0. In R5RS, this was not true. I recommend switching to the R6RS rule.
alexshinn
2011-07-10 17:57:31
resolution␣␣
statusnewdecided
We voted exact-only as in R6RS.
cowan
2011-07-11 04:29:44
owneralexshinncowan
statusdecidedwriting
cowan
2012-10-09 00:45:08
resolution␣wontfix
statuswritingclosed
This decision was reversed because it created a silent incompatibility with R5RS.
We voted exact-only as in R6RS.