[Issue 14370] writeln() crashes on invalid dchar

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14370

briancschott at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |briancschott at gmail.com

--- Comment #1 from briancschott at gmail.com ---
There is a contract in toUTF8 that checks the return value of isValidDchar, but
isValidDchar will return true for some code points that toUTF8 does not handle.

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