[racket] windows-1252 charset decoding

Urghh.... really? The existing behavior is clearly broken, and this library
is--to the best of my knowledge--used by a relatively small number of
people. Francisco, as the original author of this code, do you have an
opinion?

On Wed, Mar 4, 2015 at 12:13 PM, Sam Tobin-Hochstadt <samth at cs.indiana.edu>
wrote:

>
>
> On Wed, Mar 4, 2015 at 3:06 PM John Clements <johnbclements at gmail.com>
> wrote:
>
>> I see that the documentation suggests that (entity-charset) is supposed
>> to return a symbol. However, it nearly always returns a string. In
>> particular, it appears to me that it returns a symbol only when it returns
>> its default, 'us-ascii.
>>
>> I feel compelled to repair this, but there are two ways to fix it:
>> 1) make it match the docs and always return a symbol, or
>> 2) change the docs and the default to return a string.
>>
>> It looks to me like #2 will break (less) code, though it's certainly
>> possible that people depend on the default value's being a string.
>>
>
> It seems like option #3, document the current behavior, will break the
> least code, and that we should do that.
>
> Sam
>
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