[Issue 15293] File().byLine().map!toUpper throws UnicodeException at src\rt\util\utf.d(290): invalid UTF-8 sequence on pure ASCII file

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15293

--- Comment #1 from HeiHon <heiko.honrath at web.de> ---
Created attachment 1562
  --> https://issues.dlang.org/attachment.cgi?id=1562&action=edit
The D source code generator.d

The D source code file generator.d

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