Re: [Chicken-users] Even more format weirdness

[Alejandro Forero Cuervo]

> What is tilde Y?  The Common Lisp Hyperspec doeesn't seem to list it.

It seems to be a SLIB extension.  According to SLIB's format spec,

> ~Y
>     Pretty print formatting of an argument for scheme code lists.

You could read it at:

  
http://www.sm.u-bordeaux2.fr/~corsini/Pedagogie/SCM/slib/Format_Specification.html

Oh, I just noticed that the semantics for ~I are different in SLIB and
in Common Lisp.  I suppose we should give CL semantics precendence
over SLIB's (even if that means we might break code that uses
Chicken's current SLIB-based format implementation).

Anyway, since our format implementation is modular, it would be easy
to support both semantics and let the user pick which to use (say, by
using "slib-format" instead of "format").

Alejo.
http://azul.freaks-unidos.net/

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