Recognizing of UTF-8 partials in til :: u8u16 may fail #4673
Description
Steps to reproduce
@j4james discovered that printf "\xE2"; printf "\x98\xBA\n" failed to output the expected glyph using a build from the latest source. See #1851 (comment)
I was able to reproduce this issue by updating the unit test using the same byte sequences.
Expected behavior
Shall print a single 'WHITE SMILING FACE' (U+263A).
Actual behavior
Prints 'REPLACEMENT CHARACTER' (U+FFFD) three times in a row.
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Related to output processing (inserting text into buffer, retrieving buffer text, etc.)Down in the muck of API call servicing, interprocess communication, eventing, etc.It either shouldn't be doing this or needs an investigation.A description (P2)For issues in the Console codebaseFix is checked in, but it might be 3-4 weeks until a release.