[Issue 15972] range of chars doesn't work with joiner with literal delimiters

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15972

hsteoh at quickfur.ath.cx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|joiner doesn't recognize    |range of chars doesn't work
                   |range of chars              |with joiner with literal
                   |                            |delimiters

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