On NEWS page, Edit on GitHub link is broken.
It is going to https://github.com/JuliaLang/julia/blob/master/doc/src/NEWS.md but should go to https://github.com/JuliaLang/julia/blob/master/NEWS.md
Yep this is broken.

This should be a simple matter of fixing the link in the file.
I tested this on the latest master branch and it seems to be fixed.
Seems that the Edit on Github link matches the page it renders to the file on github, but the rendered file (https://github.com/JuliaLang/julia/blob/master/doc/src/NEWS.md) isn't checked into git.
Here are suggestions:
I'm not sure how these changes will work with the built documentation doc/_build