I think he's asking about how to do keyboard formatting on SF, which can be done with the kbd tag.  For example:

`<kbd>Ctrl</kbd>+<kbd>E</kbd>`

Should render as:

<kbd>Ctrl</kbd>+<kbd>E</kbd>

Well, I see it doesn't work here on meta.SF, which might be a glitch.  [This question on meta.SO][1] refers to the kbd tag being disabled on meta (I think people were drawing pictures of castles with it), so maybe it's disabled on all the meta sites.
 


  [1]: http://meta.stackexchange.com/questions/26207/how-can-i-format-as-keyboard-keys