[Issue 2993] getops uses globals for formatting

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=2993

--- Comment #4 from hsteoh at quickfur.ath.cx ---
Vague?

I thought it's pretty clear what this bug is asking for: fix the implementation
of getopt so that it doesn't require the use of globals.  (Of course, whether
or not this is worth the effort is a different story. I have a hard time
imagining a case where this would be an actual problem in practice.)

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