[boost] [spirit] x3 status and docs?

Subject: [boost] [spirit] x3 status and docs?
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2017-11-27 11:58:24

Hi,

I'm wondering what is the status of Boost.Spirit x3? Is it considered 
stable and ready for production use? If yes, how can I find its docs? 
There seem to be no mention of x3 in the docs on the Boost website.