[Scheme-reports] Boolean hemlines

[Alan Watson <alan@x>]

A long time ago, some people made the decision that #t/#f were in some sense better than #!true/#!false. More recently, the WG1 have made a different decision that #true/#false are in some sense better than #t/#f. 

This decision is not without cost. If an R7RS Scheme writes a boolean datum as #true or #false, it likely cannot be read by a R4RS, R5RS, or R6RS Scheme. It is unrealistic and probably undesirable to require perfect compatibility between iterations of Scheme, but changing the spelling a fundamental data is perhaps unexpected. The WG1 needs to decide if this cost is acceptable, and if not either revert their decision to allow #true/#false or require write to produce #t/#f.

Regards,

Alan


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