[plt-scheme] Entering unicode characters in the REPL?

On Jul 16, Grant Rettke wrote:
> Hi,
> 
> In v372 you could enter unicode characters directly into the REPL
> like this:
> 
> > \u2665
> ♥

This is wrong -- backslash in symbols is used to quote characters that
otherwise would break the symbol, like foo\ bar, so the above is the
same as just entering `u2665'.


> The docs (doc/guide/strings.html) say you can still do this in 4.x,
> but when I try it in 4.0.2 in module I mode I get the error:
> 
> reference to an identifier before its definition: u2665
> 
> > (display "\u2665") ; This way still works
> ♥
> 
> Which one is right? (or what did I do wrong?)

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