[wp-docs] Limiting search?

[TechGnome]

Dougal Campbell wrote:

> Somewhere before, somebody explained how to limit a Codex search to 
> *just* the Codex. But I can't find the information now. Can someone 
> enlighten me?
>
> And can we please add this option to the search box in the Codex 
> sidebar, or at least add a "Search Help" link to a page that explains 
> the search options?
>
> The unified search is nifty and all, but sometimes it gets in the way.
>
Not just in the Codex either... but the forums search as well... I'd 
like to have the ability, from either location to say "Search Codex 
only" or "Search Forums only" or "Search Both"....

But that's just me.

-tg