Is there a digest for different "RnRS" Scheme standards?

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I need to choose a Scheme standard for an academic compiler implementation. It has to be simple enough, but should still be a powerful language. There are several (RRS–R7RS) standards of Scheme. Is there a public comparison of these reports for choosing? If no, which one would you recommend for a first compiler?

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0
Rörd On BEST ANSWER

You can use the "Language changes" sections in the standard documents themselves to compare them. Here are links to these sections in public HTML versions:

0
Sylwester On

The easies to start with is a R5RS subset and it would be not too hard to make it a R7RS-small later. The R5RS is not very big so it's almost a digest on it's own.

You can compare them by their language changes part of the different reports. R7RS-small even have a list both against R5RS and R6RS.