Revert "sanitize: do not use LIBXML_NOEMPTYTAG (refs #522)"
Revert "sanitize: do not use LIBXML_NOEMPTYTAG (refs #522)"

This reverts commit b0ec17ea3cd155475dfaa2c40f46aacbd94654be.

shakaran/Big-Big-RSS,shakaran/Big-Big-RSS,shakaran/Big-Big-RSS,shakaran/Big-Big-RSS,shakaran/Big-Big-RSS