element  thead 
diagram
versionV3_0
namespacehttp://www.oasis-open.org/tables/exchange/1.0
typetbl:thead
childrentbl:row
used by
complexType {http://www.oasis-open.org/tables/exchange/1.0}:tgroup
attributes
Name  Type Use Default Fixed annotation
tbl:valign xsd:token        
source<xsd:element  name="thead"  type="tbl:thead"/>