Is there a property named “rowgroup” like “colgroup” in XHTML?

Question

The following w3c documents mentions rowgroup

• http://www.w3.org/TR/html401/struct/tables.html#h-11.2.6
• http://www.w3.org/TR/

Answer 1

No, there is no such element. If you want to group rows, you can put the particular tr elements in the same class.

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The “rowgroup” you are referring to is a row group that is naturally formed by an element like thead, tbody and tfoot. And Scope is used to define the value set in the same-named attribute scope that is used to refer to the scope the current th element is providing information for:

Here Scope is a parameter entity with the value (row|col|rowgroup|colgroup). This entity is then refered to in the declaration of the attribute value list of scope with the parameter entity reference %Scope;.

Parameter entities in SGML are like variables and references to such parameter entities are replaced by its values. That means the following two attribute definitions are equal: