> The R6RS team rejected this idea, which is already implemented in some
> Schemes (Chicken that I know of) because it can make S-expressions hard to
> read: look at (|(| |foo bar| |)|), for example, a list of three symbols
> whose print names are "(", "foo bar", and ")". But perhaps, given the
> persistence of R4RS/IEEE/R5RS case-folding code, and the extreme ugliness
> of the Unicode escapes as the sole mechanism, it ought to be reconsidered
> for Thing One and Thing Two.
+1.
MIT Scheme also supports this syntax.
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