snip
$tax_query = array( array( 'taxonomy' => 'customtax', 'terms' => 'term', ), array( 'taxonomy' => 'customtax', 'terms' => 'term', ), );
$tax_query = array( array( 'taxonomy' => 'customtax', 'terms' => 'term', ), array( 'taxonomy' => 'customtax', 'terms' => 'term', ), );