$dbr =& wfGetDB( DB_READ );
$rpage = $dbr->getArray( 'math',
array( 'math_outputhash','math_html_conservativeness','math_html','math_mathml' ),
- array( 'math_inputhash' => pack("H32", $this->md5), # Binary packed, not hex
+ array( 'math_inputhash' => pack("H32", $this->md5)), # Binary packed, not hex
$fname
);