[Plugin: Google Chart shortcode] something missed

I just checked the source code and found that the following shortcodes are missed: chxp and chds. Need to add the following two lines after case 'chl' :

case 'chxp' :
case 'chds' :

However, there may have more left.

http://ww.wp.xz.cn/extend/plugins/google-chart-shortcode/