2006-04-27 Dom Lachowicz <cinamod@hotmail.com>

        * rsvg-css.c (rsvg_css_parse_xml_attribute_string): Code borrowed from Expat.
        Takes a XML attribute+value string and turns it into attribute+value pairs.
        * rsvg-base.c (rsvg_processing_instruction): Implement <?xml-stylesheet?>
        as best I know how. (related to #338163)