[wp-hackers] how to avoid [shortcodes] appearing in search link results?

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I currently use a whole set of shortcodes to give the client the
possibility to style the content as easy as possible. My only problem
with using shortcodes is that they appear in search engine results as
plain text.

Ex.
"Welcome to company XY [logo] blabla [line] [list] bla [/list] bla"

I have thought about this for quite a time now, but i can't imagine
any way around. Somebody got an idea on how to avoid this?

Thanks!
- K.