[Issue 10001] string formatting with underscores

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=10001

--- Comment #4 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/5de9af20ad07ebe485394309867073baa53b627b
Merge pull request #5303 from burner/origin/formatunderscore

fix Issue 10001 - std.format insert underscores into numbers
merged-on-behalf-of: unknown

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