<option value="HC2,content_to_html.xsl,true">MathML Content ==> HTML</option>
<option value="L,link.xsl,true">Resolve links</option>
<option value="d_c,drop_coercions.xsl,true">Drop implicit coercions</option>
+ <option value="meta_theory,mk_meta_theory.xsl,true">Metadata (back-pointers) to theory</option>
<option value="L2H,http://phd.cs.unibo.it/helm/xslt/ls2html.xsl,false">Getter LS ==> HTML</option>
<option value="GP,http://phd.cs.unibo.it/helm/xslt/getParam.xsl,false">Get Param</option>
<option value="RT,http://phd.cs.unibo.it/helm/xslt/resolve_topurl.xsl,false">Logic-sheet to substitute the interface URL</option>