Umm, I feel dumb for asking this, but how to I add HTML into my questions and answers with this editor? Sometimes [it works][1] for me and sometimes it doesn't... 

I know about the faq, that the site uses markdown and there are allowed tags as well.

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###Related:

> * [How Does Stackoverflow Work? (The Official FAQ)](http://meta.stackexchange.com/questions/7931/how-does-stackoverflow-work-the-official-faq)
> * [What HTML tags are allowed on Stack Overflow, Server Fault, and Super User?](http://meta.stackexchange.com/questions/1777/what-html-tags-are-allowed)



  [1]: http://stackoverflow.com/questions/1324764/accessing-a-frame-within-a-frame