[Issue 18993] toLower is broken for UTF chars

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18993

Basile B. <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
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                 CC|                            |b2.temp at gmx.com

--- Comment #2 from Basile B. <b2.temp at gmx.com> ---
caused by https://github.com/dlang/phobos/pull/6545/files

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