This function applies an XSLT transformation to an XML file and saves the output as an HTML file.
Arguments
- root
A character string specifying the root directory where the XML and XSL files are located.
- xml_filename
A character string specifying the name of the XML file.
- xsl_filename
A character string specifying the name of the XSL file.
- output_filename
A character string specifying the name of the output HTML file.