Visit [[ https://www.mediawiki.org//wiki/MediaWiki | mediawiki.org ]] or [[ https://en.wikipedia.org//wiki/Main_Page | wikipedia.org ]] and get this error:
{F164331}
Wikimedia app servers have a few errors 500 when hitting an URL having double slash at the beginning of the path. Ie:
Ex with http://en.wikipedia.org//wiki/Main_Page
> Redirect loop detected!
>
> This means the wiki got confused about what page was requested; this sometimes happens when moving a wiki to a new server or changing the server configuration.
>
> The wiki is trying to interpret the page title from the URL path portion (PATH_INFO), which sometimes fails depending on the web server. Try setting "$wgUsePathInfo = false;" in your LocalSettings.php, or check that $wgArticlePath is correct. (500) from /srv/mediawiki/php-1.26wmf7/includes/MediaWiki.php:277
**step to reproduce**
$ curl http://en.wikipedia.org//wiki/Main_Page
Yields:
<!DOCTYPE html>
<html><head><title>Internal Server Error</title></head>
<body><h1>Internal Server Error</h1><p>Redirect loop detected!
This means the wiki got confused about what page was requested; this sometimes happens when moving a wiki to a new server or changing the server configuration.
The wiki is trying to interpret the page title from the URL path portion (PATH_INFO), which sometimes fails depending on the web server. Try setting "$wgUsePathInfo = false;" in your LocalSettings.php, or check that $wgArticlePath is correct.</p></body></html>