Bolot Kerimbaev wrote:
> 
> I've been wanting to perform this operation, but didn't see the user
> interface for it (it could still be there, somewhere!)

The functionality is already there; it's just not obvious.  To perform a
"find and replace", you first do a find (cmd-f), then type in the
replacement over the selection.  You can then do a (cmd-j) to find and
replace the next occurance, or (ctrl-j) to find and replace all
remaining occurances.

	-- Tim Olson