If you want your code to be readable use xsl:attribute but if you just
want an answer to your question then something like;

<path d="M 35... fill="{substring('greenyellow',
     1+ (fill_percentage &lt;= 90)*5, 5*(fill_percentage > 90)
         + 6*(fill_percentage &lt;= 90))}"/>

untested:-)

David

(oh, and blame Jeni)


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 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list