On Fri, 8 May 2015 05:08:21 +0200 Philippe Verdy <[email protected]> wrote:
> Try by yourself, you can perfectly send JSON text containing '\uFFFF' > (non-character) or '\uF800' (unpaired surrogate) and I've not seen > any JSON implementation complaining about one or the other, when > receiving the JSON stream and using it in Javascript, you'll see no > missing code unit or replaced code units and no exception as well. Unicode Consortium standards and recommendations allow non-characters to be sent; as far as I can make out, they are just not to be thought of as unstandardised graphic characters. Richard.

