gistfile1.txt

            <Parameter name="table"><![CDATA[
                (SELECT *,
                        (CASE WHEN round(way_area * 1000000) >= 20 THEN 'large'
                              WHEN round(way_area * 1000000) >= 1 THEN 'medium'
                              ELSE 'small' END) AS size,
                        REGEXP_REPLACE(UPPER(name), '(.)', E'\\1\xC2\xA0\xC2\xA0', 'g') AS name_stretched
                 FROM planet_osm_polygon
                 WHERE building IS NOT NULL
                 ORDER BY z_order ASC, way_area DESC) AS citylike]]></Parameter>

becomes:

          <Parameter name="table">                 (SELECT *,                         (CASE WHEN round(way_area * 1000000) &gt;= 20 THEN 'large'                               WHEN round(way_area * 1000000) &gt;= 1 THEN 'medium'                               ELSE 'small' END) AS size,                         REGEXP_REPLACE(UPPER(name), '(.)', E'\\1\xC2\xA0\xC2\xA0', 'g') AS name_stretched                  FROM planet_osm_polygon                  WHERE building IS NOT NULL                  ORDER BY z_order ASC, way_area DESC) AS citylike</Parameter>