private char findAlternateSymbol(char character) {
        // test for known symbol aliases
        for (int i = 0; i < org.icepdf.core.pobjects.fonts.ofont.Encoding.symbolAlaises.length; i++) {
            for (int j = 0; j < org.icepdf.core.pobjects.fonts.ofont.Encoding.symbolAlaises[i].length; j++) {
                if (org.icepdf.core.pobjects.fonts.ofont.Encoding.symbolAlaises[i][j] == character) {
                    //System.out.println("found char " + Encoding.symbolAlaises[i][0]);
                    return (char) org.icepdf.core.pobjects.fonts.ofont.Encoding.symbolAlaises[i][0];
                }
            }
        }
        return character;
    }