Modified Files:

Modified Files:
1) basic.xsl, content.xsl, content_to_html.xsl, html_init.xsl,
html_reals.xsl, html_set.xsl, proofs.xsl, reals.xsl, ricerca.xsl,
set.xsl: removed variable declaration of absPath
2) theory_content.xsl: added comments
2) rootcontent.xsl: inserted variable declaration of absPath
3) mmlextension.xsl: added parenthesis to the first arrow