[Issue 15914] [REG 2.071] getopt doesn't accept anymore a character for a bool option

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15914

--- Comment #8 from Vladimir Panteleev <thecybershadow at gmail.com> ---
Introduced in https://github.com/D-Programming-Language/phobos/pull/3859

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