Revert "XHTML Compliance"
This commit broke schedules edit, it should fix #3555.
This reverts commit e1002cd2724869eabdfe1f9258d4522d572722e4.
Revert "XHTML Compliance"
This commit broke schedules edit, it should fix #3555.
This reverts commit e1002cd2724869eabdfe1f9258d4522d572722e4.