LanguageYue.php

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<?php
class LanguageYue extends Language {

    function hasWordBreaks() {
        return false;
    }

    function segmentByWord( $string ) {
        $reg = "/([\\xc0-\\xff][\\x80-\\xbf]*)/";
        $s = self::insertSpace( $string, $reg );
        return $s;
    }

    function normalizeForSearch( $string ) {
        wfProfileIn( __METHOD__ );

        // Double-width roman characters
        $s = self::convertDoubleWidth( $string );
        $s = trim( $s );
        $s = parent::normalizeForSearch( $s );

        wfProfileOut( __METHOD__ );
        return $s;
    }
}