thead

The table header (<thead>) element precedes the table body (<tbody>) element in a complex table.

Contains

Note: These models represent only the default document types distributed by OASIS. Actual content models will differ with each new document type.

Doctype	Content model
topic, map, concept, ditabase, glossary, glossentry, glossgroup, reference, task, bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary	( (row) (one or more) )

Doctype	Content model
topic (base), map (base), topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task (strict), task (general), bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary	tgroup

- topic/thead

Name	Description	Data Type	Default Value	Required?
valign	Indicates the vertical alignment of text in a table entry (cell). Allowable values are: top Align the text to the top of the table entry (cell). bottom Align the text to the bottom of the table entry (cell). middle Align the text to the middle of the table entry (cell). -dita-use-conref-target See Using the -dita-use-conref-target value for more information.	(top \| bottom \| middle \| -dita-use-conref-target)	#IMPLIED	No
univ-atts attribute group (includes select-atts, id-atts, and localization-atts groups)	A set of related attributes, described in univ-atts attribute group
global-atts attribute group (xtrf, xtrc)	A set of related attributes, described in global-atts attribute group
class, outputclass	Common attributes described in Other common DITA attributes