These are rather two distinct features- one is adding an "allowed" column to the table, essentially putting all search terms in moderation. The admin page displays a list of "unallowed" popular search terms- so admin will actually need to deal with only popular search words (which are, with time probably 'real' search terms and not gibberish).
Second function is adding a 'data' column and making the search i18n aware.

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tsm.patch6.78 KBOzeuss

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Ozeuss’s picture

Ozeuss commented

the form needs check_plain() added, i'll reroll the patch soon.