“hash_salt=” : Salts public on Github

<a href="https:&#x2F;&#x2F;github.com&#x2F;search?q=%22hash_salt%3D%22&amp;ref=searchresults&amp;type=Code&amp;utf8=%E2%9C%93" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;search?q=%22hash_salt%3D%22&amp;ref=searchres...</a> is a better link.

I must be slow-witted, but what is wrong with a public salt? A salt works whether it is public or not.