Github user NightOwl888 commented on the issue:
https://github.com/apache/lucenenet/pull/198
Thanks for informing - this was something that slipped in by accident. Ever
since I first noticed that VS2012 can't compile these features, I have been
trying to keep them out of the code base.
Is NumericConfig.cs the only culprit, or are there more?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
