Re: [Json] BOMs

[Bjoern Hoehrmann <[e-mail]>]

* Tatu Saloranta wrote:
>Dominant Java implementations support UTF-16 with BOM; either directly or
>through Java's Reader implementations that handle BOMs.
>String concatenation case seems irrelevant, since BOMs are not included in
>in-memory representation anyway, as opposed to byte stream serialization.

HTTP implementations cannot correctly determine whether an entity body
is text in a single character encoding and if so what that encoding is,
accordingly the dominant API deals in byte[] arrays, not text Strings;
furthermore, many programming languages default to byte[] arrays for
string literals. That often combines into forms of

  byte[] json = sprintf('{"x": %s, "y": %s}', GET(...), GET(...));

which works fine if all three byte[] arrays are UTF-8 encoded and use
no Unicode signature, which is the case 99% of the time.
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