Geiser doesn't support (trace) and (untrace) statements
Which is a somewhat common Scheme extension, and can be implemented for Schemes that lack it.
Likewise, (break) and (continue) and (unbreak) might be worth considering.
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Which is a somewhat common Scheme extension, and can be implemented for Schemes that lack it.
Likewise, (break) and (continue) and (unbreak) might be worth considering.