Links broken with (at least) two underscores in URL

@Vitaly Is this issue something you would like reported to markdown.it for linkify ?

( https://twitter.com/_miss_ives_/status/923667180201414658 not auto linking )

I am not sure we can even fix this properly cause we would have to push linkify forward in the pipeline?

Especially since this is default CommonMark http://spec.commonmark.org/dingus/?text=https%3A%2F%2Ftwitter.com%2F_miss_ives_%2Fstatus%2F923667180201414658 @codinghorror