This plugin uses the googleform.tmpl
which produces valid HTML but invalid XHTML.
This is not very good since the default ikiwiki
templates produce XHTML instead of HTML.

To produces valid XHTML, you need to edit
googleform.tmpl (in e.g. /usr/share/ikiwiki/templates):


    --- googleform.tmpl.orig    2009-02-13 02:47:00.000000000 -0600
    +++ googleform.tmpl 2009-02-13 02:47:40.000000000 -0600
    @@ -1,6 +1,6 @@
     <form method="get" action="http://www.google.com/search" id="searchform">
      <div>
    -  <input name="sitesearch" value="<TMPL_VAR SITEFQDN>" type="hidden">
    -  <input name="q" value="" id="searchbox" size="16" maxlength="255" type="text">
    +  <input name="sitesearch" value="<TMPL_VAR SITEFQDN>" type="hidden" />
    +  <input name="q" value="" id="searchbox" size="16" maxlength="255" type="text" />
      </div>
     </form>

Just tow tiny changes.