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[Juan Arias <juanito_budapest AT yahoo.es>]

The line at 427 on lib/wp-includes/classes.php says : "$search = ' AND ( ' ;"

With that line uncommented,i got sql errors (database error 1064 ) if i try to search  things like  spanish 'ñ' ,
_javascript_´s '<script>alert('hola')</script>' and sometimes after my second search overrides the first....
The segment of the query which causes the error is this " at_ID) WHERE 1=1 AND ( AND (po ",
caused by the line at 427 and the search not returning results.

Anyone else noticed?

If i comment that line the thing stops crashing, BUT ( and that´s a big BUT ) the query is completely ignored in that special cases.
Maybe it´s esy as hell to repair, but due to my limited knowledge on SQL, i can´t find a solution....

To give a situational example, im trying to find all my posts that contain a 'ñ', and it returns all of them ...when none of them contains that letter.