option to have Keyword field in advanced search module search custom fields

[adam parker1424296087]

I'd like the ability for the keyword field to be an "everything" field like simple search is.  I know I can add the custom fields themselves in the adv search module, but i have too many to add.

[lies]

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[mikkox]

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[GJNR]

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[Johannes]

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[Alejandro]

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