Re: [Chicken-hackers] patch: treat #t as alternative to else in cond

[John Cowan]

Peter Bex scripsit:

> This should probably be handled in the scrutinizer, but for now I guess
> it's okay to warn on constants.  Attached is a patch that detects other
> constants as well, because that could be an even more common mistake
> than a plain #t.

It arises as a result of overly literal translations from Common Lisp,
where there is no analogue of "else" and people commonly use T as the
condition for else-clauses.

> The problem is that its comparison with quote is unhygienic (I guess
> it's normally used in the compiler after it's been normalised).

Rebinding quote gets you into trouble anyway, because the lexical syntax
'x is unhygienic.  Anyone who rebinds any of quote, quasiquote, unquote,
or splicing-unquote deserves to lose.

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