4-5 point 4-3 approach ogeima, tenuki
For White to ignore Black's cover is actually recommended in Ishida's Joseki Dictionary. There is a celebrated complex joseki (possible unexplored joseki) if White tries the ordinary-looking play at a.
Here Black at a might be the normal play, while Black at b is known (White can then live quickly at c), so that would be a matter of direction of play, if Black favours the upper side.
If ,
is a 'book' piece of shape, making miai of b and c.
Alex Weldon: This diagram was messed up. I fixed it, but couldn't tell whether c was meant to be here, or one line to the right. It looks to me that Black can separate White if it's one line to the right, so I think this is where it was intended? Correct me if I'm wrong...
Blitzcrank: You are right, see Ishida Vol. 3, page 52.
This is from Takemiya Masaki-Yuki Satoshi (B) 1995-10-26, colours reversed: Black 11 at a, White 12 at b. White has no trouble making life, but concedes a big wall.
In this game, we see Takao Shinji play tenuki not only against (the two white moves were played in reverse order in this game), but also against
. After
, white (Morita Michihiro) is very thick in this corner, but has spent three moves to do so. - Andre Engels