I'm trying to add a custom bbcode that allows users to embed webm videos. Ideally users can type something like this: Code: [webm]http://www.linkto.webm[/webm] And it'll embed the webm. However if I set that up using custom BBCode, XenForo insists on adding "url" tags around the link, resulting in: Code: [webm][url]http://www.linkto.webm[/url][/webm] Which basically then doesn't work. I can include the link as an option like this: Code: [webm=http://www.linkto.webm]Pointless Text[/webm] But then I need to have some kind of "Pointless Text" between the tags otherwise XenForo craps out an error about the message being invalid. Any pointers? EDIT: Hmmm... When I try the above in code on my site I get this: http://www.rpgcodex.net/forums/inde...thing-is-procedural.92395/page-2#post-3406874 (See how the bit within the "code" has converted to a url. Why does that happen on my forum but not here? Is it a setting I've missed??