[Issue 16053] SysTime.fromIsoExtString don't work if nanoseconds are presented

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=16053

--- Comment #5 from github-bugzilla at puremagic.com ---
Commit pushed to dmd-cxx at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/21c09f18d33b65475a89c7d6ec75d87556e6c1e5
Issue 16053: Fix it so that SysTime's from*String supports more than 7 digits.

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