Feedback on the proposal to change U+FFFD generation when decoding ill-formed UTF-8

Richard Wordingham via Unicode unicode at
Wed May 31 15:20:02 CDT 2017

On Wed, 31 May 2017 19:24:04 +0000
Shawn Steele via Unicode <unicode at> wrote:

> It seems to me that being able to use a data stream of ambiguous
> quality in another application with predictable results, then that
> stream should be “repaired” prior to being handed over.  Then both
> endpoints would be using the same set of FFFDs, whether that was
> single or multiple forms.

This of course depends on where the damage is being done.  You're
urging that applications check the strings they have generated as they
export them.


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