Assuming a xls file to be read as HTML is not valid or sane requirement. see http://cgit.freedesktop.org/libreoffice/core/commit/?id=a5eadc6aaafec92df23c57e258882a2c98ece0ad => WONTFIX
Assuming a xls file to be read as HTML is not valid or sane requirement. see http:// cgit.freedeskto p.org/libreoffi ce/core/ commit/ ?id=a5eadc6aaaf ec92df23c57e258 882a2c98ece0ad => WONTFIX