Thread:Project:Support desk/revision history link/reply (9)

I see.

You mean a page like this one: https://tools.wmflabs.org/xtools/articleinfo/index.php?article=MediaWiki:Histlegend&lang=en&wiki=wikipedia

It currently shows this HTTP header:

HTTP/1.1 400 Bad Request => Server => nginx/1.5.0 Date => Sun, 23 Nov 2014 18:50:12 GMT Content-Type => text/html Content-Length => 172 Connection => close

The tool "articleinfo", which you are talking about is part of "xtools" as listed here. The maintainers are User:Hedonil, User:Cyberpower678 and User:Tparis.